Conifers survive in dry weather mainly due to their needle-like leaves, which have a small surface area and sunken stomata, aiding in reducing water loss.
Explanation:Conifers, a group of gymnosperms, have certain characteristics that help them survive in dry conditions. Most notably, their needle-like leaves play a vital role in survival. These needles have a smaller surface area than regular broad leaves and contain sunken stomata, both of which aid in reducing water loss. Moreover, the needle's shape and its waxy cuticle also limit water loss through transpiration. Hence, when the weather is dry, these attributes help conifers conserve their water supply and endure the conditions.
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This is a compound made up of carbon hydrogen and oxygen atoms it is used by cells to store and release energy sugars are made by chloroplast do this and consumed by mitochondria is through cell Respiration
The answer is; glucose
It is a 6 carbon ring simple sugar and is the most abundant monosaccharide in the body. Its levels in the body are referred to as blood sugars. Larger carbohydrates consumed in the diet are broken down to glucose utilized in respiration (Glycolysis and Krebs cycles) to produce the energy required by the cells. Plants, on the other hand, manufacture carbohydrates in photosynthesis.
The compound composed of carbon, hydrogen, and oxygen mentioned is glucose, which is critical in energy storage and release in cells. It's made by plants via photosynthesis and is then broken down and used for energy via cellular respiration in mitochondria, where it aids in the synthesis of ATP - the energy 'currency' of cells.
Explanation:The compound you're referring to, made up of carbon, hydrogen, and oxygen atoms, is called glucose. Glucose, with the formula C6H12O6, plays a pivotal role in energy storage and release in cells through a process known as cellular respiration.
During this process, energy is extracted from glucose, which is then used to synthesize a compound called adenosine triphosphate (ATP). ATP serves as the 'currency' of energy within cells, storing and delivering energy as required for various cellular functions.
Glucose is produced by plants through photosynthesis, a process in which they convert solar energy, carbon dioxide, and water into glucose and oxygen. The glucose produced is then used by the plant for its energy needs, with excess glucose being stored as starch.
When animals, including humans, consume plants, they catabolize, or break down, the starch back into glucose for their energy needs.
So, to summarize, glucose acts as a crucial intermediary in the transfer of energy from the sun to all living organisms, providing power for key cellular processes through its role in the synthesis and utilization of ATP.
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Which natural cycle is affected the most by the use of fertilizers? A. oxygen cycle B. water cycle C. carbon cycle D. nitrogen cycle
The most logical option is Option D, the most affected cycle by the use of fertilizers would be the nitrogen cycle.
Marissa is testing a hypothesis through experimentation. She believes that immersing ocean coral in carbonic acid will slow the coral’s growth. Which of these actions will prevent Marissa from introducing confounding variables into her experiment?
She releases cement particles into a random number of the coral samples.
She uses three different types of coral to establish her dependent variables.
She treats the coral samples identically with varying levels of carbonic acid.
She obtains her coral samples from coral reefs surrounding different continents.
Answer:
C. She treats the coral samples identically with varying levels of carbonic acid.
Explanation:
She releases cement particles into a random number of the coral samples.
Doing this is uncontrolled, using a random number for anything in an experiment is a no no.
She uses three different types of coral to establish her dependent variables.
Different types of coral could react differently to the acid, always use only one dependent variable in an experiment.
She obtains her coral samples from coral reefs surrounding different continents.
It is important that the samples of coral be as close to the same as possible so that the coral variables stay constant.
Answer:
C.
She treats the coral samples identically with varying levels of carbonic acid.
Explanation:
What effect do you think the angularity of rock chips has on the rate of weathering? Help asap.
The aleutian islands extend westward from southern Alaska to form the northern boundary of the Pacific Ocean. These volcanic islands were formed by the nearby...
A. subduction of a continental plate
(B. subduction of an oceanic plate)-answer but why is this the answer?
C. divergence of a continental plate
D. divergence of an oceanic plate
The correct answer is B
Subduction of a ocean plate.
Aleutian islands extend westward from southern Alaska to form the northern boundary of the Pacific Ocean when the Pacific plate gets subducted under North American Plate at a dip of 45 degrees. The pacific is an oceanic tectonic plate that lies beneath the Pacific Ocean. And thus the correct answer is option B
Discussion Topic Earth’s surface is broken into large pieces that are slowly shifting. This gradual process, known as plate tectonics, accounts for movement of entire continents over time. During the past century, geologists have found multiple lines of evidence that support the theory of plate tectonics, including the mechanism that drives the plates’ motion—sea floor spreading. As a result, sections of Earth’s crust are constantly being pulled apart or pushed together. This movement creates many of Earth’s landforms, such as mountains, rift valleys, and volcanoes. According to the theory of plate tectonics, 250 million years ago all of Earth’s landmasses were clustered into one supercontinent, known as Pangea. Based on the past and current movements of Earth’s plates, predict how the location of the continents might shift during the next 250 million years. Do you think they’ll spread out, cluster together, or move in a combination of the two? What types of landforms do you anticipate forming as a result? What effect, if any, do you anticipate this movement will have on life on Earth?
I believe that the tectonic plates will continue to move unpredictably for the next 250 million years, which will cause the continents to spread more and to come together a little in a few moments. This movement will continue to cause changes in the relief of all regions of the earth, creating other valleys, volcanoes and mountains as a result.
In relation to life on earth, the movement of tectonic plates may end up creating geographic barriers and separating populations of species that will have to adapt to new regions, evolving and creating new species.
According to the theory of plate tectonics, Earth's crust is moving due to slow convection within the mantle. The movement of these plates contributes to the shifting of continents and the formation of various landforms like mountains, rift valleys, and volcanoes. Future tectonic activities, while hard to predict accurately, may lead to new geographical features and impact life on Earth.
Explanation:The theory of plate tectonics is a fundamental concept in geology. It dictates that the Earth's crust and upper mantle, divided into numerous large plates, move due to slow convection within the mantle. The plates can interact in four basic ways at their boundaries: pulling apart (like at the Mid-Atlantic ridge), burrowing under one another, sliding alongside, or jamming together.
The repercussions of these movements include the gradual drifting of continents, and the shaping of landforms like mountains, rift valleys, and volcanoes. For instance, the formation of the Alps is a result of the African plate colliding with the Eurasian plate.
Predicting the future movements of these plates and their subsequent impacts on landforms and life on Earth is complex. However, if tectonic activity continues as currently understood, a combination of spreading and clustering of continents might happen. This movement might lead to the formation of new mountain ranges, valleys and possibly trigger more volcanic activity, which could affect the evolution and dispersal of life on Earth.
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What piece of evidence would go against the argument and suggest that birds are actually different species
The birds have different mating seasons would answer the question whether the two bird species are actually the same species or just two different ones. The reason for this is that when two bird species have different mating seasons this actually tells us that they most likely don't mate with each other and for that reason it wouldn't be really possible for them to be one species.
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What happens at the ribosome?
A) protein synthesis
B) mRNA codons and their complementary tRNA anticodons match up
C) amino acids are joined together by peptides bonds to make a polypeptide (protein)
D) all of the above
What is the aorta? A. a valve that prevents backflow of oxygenated blood into the heart B. the wall of thick cardiac muscle that separates the two ventricles C. a vein that carries deoxygenated blood from the heart to the lungs D. an artery that carries oxygenated blood from the heart to the body
D. Is the correct answer
During translation a peptide bond forms between the R group of
a. the first amino acid and the carboxyl group of the second amino acid.
b. the central B-carbon of the first amino acid and the amino group of the second amino acid.
c. the amino group of the first amino acid and the R group of the second amino acid.
d. the carboxyl group of the first amino acid and the amino group of the second amino acid.
e. the amino group of the first amino acid and the carboxyl group of the second amino acid.
During translation, a peptide bond is formed between the amino group of the first amino acid and the carboxyl group of the second amino acid in the growing polypeptide chain.
Answer:
e. the amino group of the first amino acid and the carboxyl group of the second amino acid.
NO NEED TO ANSWER ALL! WOULD BE HELPFUL THOUGH :)
1. State two pieces of evidence that support the idea that, "The forces that dictate ecological interactions are at play in ecosystems of all scales, from animal level to bacterial level."
2. Describe an investigation/expirment that explores a factor that could affect the rate of photosynthesis. What results would your investigation produce that supports your factor affecting the rate of photosynthesis?
3. You discover two geographically isolated populations of a species that have slight differences in color. List 3 specific, testable questions that you could design an investigation around to determine why the populations display these traits.
4. How can the 4 Key Ideas of Natural Selection be used to predict how species will evolve or how an ancestor species evolved into modern species?
5. Certain bird wings are developed to assist in long-distance flight. Consider an Albatross. These birds fly extremely long distances to hunt for food. What change in conditions could have forced the ancestor to an Albatross to develop this adaptation?
6. What are 5 lines of evidence that support common ancestry in modern species?
7. How could members of a sequence of fossils that show the development of a certain trait be found in vastly different areas around the world?
8. In Elephant seals, despite the fact that females prefer certain areas of the beach during mating season, they will reproduce with many males before returning to sea. What does that say about conditions driving sexual selection in males?
Answer: question 6
Explanation: Biogeography The fossil record, Embryology, similarity and vestigial structures, genetics and Observable evolution on small timescales.☺
Final answer:
The forces that dictate ecological interactions are at play in ecosystems of all scales, from animal level to bacterial level. An investigation could explore a factor affecting the rate of photosynthesis, such as light intensity. Possible reasons for slight color differences in geographically isolated populations can be determined through specific, testable questions. The 4 Key Ideas of Natural Selection can be used to predict how species will evolve. Conditions driving sexual selection in male Elephant seals include intense competition and a need to father as many offspring as possible.
Explanation:
1. two pieces of evidence that support the idea that the forces that dictate ecological interactions are at play in ecosystems of all scales, from animal level to bacterial level are:
Competition for resources: Both animals and bacteria compete for limited resources, such as food and habitat, which drives the ecological interactions at both levels. For example, animals in the same habitat may compete for the same food source, while bacteria in a culture may compete for the available nutrients.Energy flow: Ecological interactions at both animal and bacterial levels are governed by the flow of energy. Food chains and food webs are present at both scales, with energy being transferred from one organism to another. This energy flow forms the basis of ecological interactions, such as predation, parasitism, and symbiosis.2. An investigation that explores a factor affecting the rate of photosynthesis could involve varying the intensity of light. By exposing plants to different intensities of light and measuring the rate of oxygen production through photosynthesis, one could determine the effect of light intensity on photosynthesis. Increasing the light intensity would likely result in a higher rate of photosynthesis, as light is a necessary factor for this process.
3. Three specific, testable questions that could be designed to determine why geographically isolated populations of a species display slight color differences:
Does the difference in color between the populations affect their survival or reproductive success?Is there a difference in the genetic makeup or gene expression related to color between the populations?Does the difference in color between the populations provide them with a selective advantage in their respective environments?4. The 4 Key Ideas of Natural Selection can be used to predict how species will evolve or how an ancestor species evolved into modern species. These key ideas include variation within a population, struggle for existence, survival of the fittest, and inheritance of favorable traits. By understanding these ideas and studying the characteristics of a species or its ancestors, scientists can make predictions about the evolutionary paths and outcomes.
5. A change in conditions that could have forced the ancestor of an Albatross to develop wings for long-distance flight could be a decrease in the availability of food in their original habitat. If the ancestor species was no longer able to find enough food in its original habitat, it may have been driven to explore new areas in search of food. The development of wings and the ability to fly long distances would have been advantageous for covering larger areas and accessing new food sources.
6. Five lines of evidence that support common ancestry in modern species are:
Homologous structures: Similarities in anatomical structures, such as the forelimbs of mammals, suggest a common ancestor.Embryonic development: Similarities in the early stages of development among different species indicate common ancestry.Fossil record: Transitional fossils that show intermediate characteristics between different species provide evidence of common ancestry.DNA and genetic similarities: Comparing the DNA sequences and genetic makeup of different species can reveal similarities that suggest a shared ancestry.Biogeography: The distribution of species around the world can be explained by their common ancestry and how they have spread and diversified over time.7. Members of a sequence of fossils that show the development of a certain trait can be found in vastly different areas around the world due to continental drift and the movement of tectonic plates. Over millions of years, continents have shifted and separated, leading to the isolation of populations and the evolution of different traits in different locations.
8. The fact that Elephant seals reproduce with many males despite female preferences for certain areas of the beach during mating season suggests that conditions driving sexual selection in males are intense competition and a need to father as many offspring as possible. The males are likely competing with each other for mating opportunities and trying to ensure their genes are passed on, even if it means reproducing with multiple females.
describe how sodium atom forms a bond with a chlorine atom
The sodium atom loses an electron and becomes positively charged. The chlorine atom gains an electron and becomes negatively charged. The two charged ions then form an ionic bond. Hope this helps
Even though sodium has a proclivity to lose an electron and chlorine has a proclivity to gain an electron, the components are well suited to bond with one another. This electron transfer results in the formation of the ionic bond that holds Na+ and Cl- together.
What is ionic bond?Ionic bond, also referred to as electrovalent bond, is a type of interconnection established in a chemical compound by the electrostatic attraction of oppositely charged ions.
When the valence (outermost) electrons of one atom are permanently transferred to another, a bond is formed.
An ionic bond is formed when a metal and a nonmetal interact, whereas a covalent bond is formed when two nonmetals interact.
Despite the fact that sodium has a tendency to lose an electron and chlorine has a tendency to gain an electron, the components are well suited to bond with one another.
The formation of the ionic bond that holds Na+ and Cl- together is the result of this electron transfer.
Thus, this way sodium atom forms a bond with a chlorine atom.
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Headlands are formed through wave deposition. true or false?
True , headlands are not formed through wave deposition.
What are headlands?A headland, also known as a head, is a coastal landform, a point of land usually high and often with a sheer drop, that extends into a body of water.
A headland of considerable size often is called a cape. Headlands are characterised by high, breaking waves, rocky shores, intense erosion, and steep sea cliff.
Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock.
Since a sea arch is formed through wave erosion.
Therefore, Headlands are formed by through wave deposition.
We can say Headlands are formed to wave deposition.
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Hi! Please help! I think it is C but I am just making sure..
Which important indoor safety measure should be taken during a thunderstorm?
A) Lie on the floor.
B) Cover your head.
C) Go to the basement.
D) Move away from windows.
Answer:
The correct answer is option D) "Move away from windows".
Explanation:
One important indoor safety measure that should be taken during a thunderstorm is to move away from windows. Thunderstorms often are accompanied by storm lighting that travel near the speed of light. If the lighting hits a windows the speed could cause the windows to heat up and shatter. Therefore, it is better to move away from windows during thunderstorms to avoid possible injuries.
Select all that apply. Select the features, plants, and animals that are characteristic of the coniferous forest biome.
A) warm, humid summers
B) largest land biome
C)extreme temperatures
D) little rainfall
E) hawks
F) cacti
G) pines
H) maples
I) deer
The features, plants, and animals that are characteristic of the coniferous forest biome.
A) warm, humid summers
C)extreme temperatures
D) little rainfall
E) hawks
G) pines
H) maples
I) deer
Answer: A) warm, humid summers
C)extreme temperatures
E) hawks
G) pines
I) deer
Explanation:
The coniferous forests are found in regions of Asia, Canada, and US. This biome exhibit hot summers and cool winters that means exhibit extreme temperatures. These regions receives heavy rainfall. They are dominated by the coniferous trees such as pines. Hawks lives in coniferous forests which have been found nesting the coniferous trees. Deer can be found in these biomes as one of the herbivorous species.
What creates global winds?
Air over the ocean.
An area of high pressure.
Differences in heating.
An area of low pressure.
Answer:
C
Explanation:
Answer:
C.: Differences in heating
Explanation:
Temperature controls the air movement.
What is the secondary meristem that produces wood toward the inside and bark toward the outside of a tree
Which of the following is NOT characteristic of adolescence?
a. identity versus confusion
b. formal operational stage of cognitive development
c. preconventional level of moral development
d. growth spurt
B. Formal operational stage of cognitive development
Preconventional morality: It is the earliest stage of moral development around nine years, the rules are external imposed by authority figures and seek to avoid punishment or receive a reward.
Conventional morality: In this second phase most adolescents and adults, individuals learn about rules and authority, which govern how they should or should not behave, in addition to learning to obey them.
The answer is: c. Preconventional level of moral development.
Grizzly bears in Yellowstone National Park have become repeatedly exposed to human beings, such as campers and hikers. These grizzly bears no longer exhibit a fear response to humans because
A. their instincts are to not be afraid of humans.
B. they are modeling the behavior of the humans.
C. they have become habituated to human contact.
D. they have imprinted on humans.
Why are cinder cones short-lived?
Usually the lava flows come towards the end of the eruption, once the magma has lost enough of its volatiles to flow more quietly. Cinder cone eruptions are comparatively short lived, and thus cinder cones are much smaller features than stratovolcanoes and shield volcanoes (usually no more than a mile at the base).
Cinder cones are short-lived because they erode quickly after formation due to their composition of light, loosely-packed materials. Additionally, their volcanic activity tends to decline rapidly after the initial eruption.
Explanation:Cinder cones, a type of volcano, are considered short-lived due to their geological lifespan. This is because cinder cones are formed through the rapid eruption of gases and volcanic ash which culminate into a cone shape. Over time, the materials of the cinder cone structure, being light and loosely packed, erode quickly, leading to the short-lived nature of cinder cones. They tend to cease an activity a billion years or more ago, as evidenced by the prevalence of impact craters found on them. However, it is notable that some volcanic features such as Olympus Mons may remain intermittently active today.
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Which of the following is NOT part of protein synthesis?
mutilation
replication
transcription
translation
Mutilation is not part of protein synthesis, which includes transcription of DNA to mRNA, and translation of mRNA to a polypeptide chain.
The part of protein synthesis that is NOT included in the process is mutilation. Protein synthesis is a two-step process that includes transcription and translation. During transcription, the genetic code from DNA is transcribed into messenger RNA (mRNA). This mRNA then serves as a template for translation, where the sequence of nucleotides in mRNA is used to synthesis a polypeptide chain with the help of transfer RNA (tRNA) molecules.
Contrastingly, replication is the process of duplicating DNA prior to cell division, not involved in protein synthesis. Mutilation, not being a biological term typically associated with genetics or molecular biology, certainly does not pertain to this process.
An 8-year-old child is receiving moderate sedation for a medical procedure. the nurse is assessing the child's level of sedation. his gag reflex is intact, he's breathing comfortably on his own, and he opens his eyes on verbal request. the nurse recognizes that the child is:
Final answer:
The nurse has determined that the 8-year-old child is under conscious sedation due to an intact gag reflex, unassisted comfortable breathing, and the ability to open eyes on verbal command.
Explanation:
The nurse recognizes that the 8-year-old child receiving moderate sedation is in a state of conscious sedation. This assessment is based on the observation that the child's gag reflex is intact, he breathes comfortably without assistance, and he is able to respond coherently to verbal cues by opening his eyes. This level of sedation enables necessary medical procedures to be performed while the child remains relaxed and cooperative yet conscious enough to maintain airway reflexes and adequate respiratory function. It is crucial for healthcare professionals to monitor the level of sedation and ensure the patient's safety by verifying the patient's identity and procedure, assessing allergies, and preparing for any airway management or potential aspiration.
Which is NOT a potential threat or danger to an ecosystem rich in biodiversity? A) Deforestation B) Plate Tectonic Activity C) Global Warming/Climate Change Eliminate D) Genetic diversity among species
The correct answer is option D, that is, genetic diversity among the species.
The sum of genetic characteristics in the genetic makeup of a species is known as genetic diversity. It is differentiated from genetic variability that illustrates the capability of genetic features to change.
The genetic diversity functions as a medium for the populations to amend with the fluctuating environments. With more changes, there is more possibility that some individuals in a population will exhibit different forms of alleles, which are appropriate for the surrounding.
These individuals hold high possibilities of survival in order to generate offspring exhibiting that allele. The population will continue for more generations due to the accomplishment of these individuals.
Answer:
D)
Explanation:
A population of pigs livess on an island together with burrowing termites . Pigs thatbhave the longest snouts tend to survive better over time most of the pig population is amde up of individuals that have very long snouts. This is an example of which type of selection
This is an example of directional selection. Basically, this happens when one extreme of the trait distribution experiences selection against it, such as choosing long snouts over short snouts.
Answer:
a
Explanation:
The graph shows the number of calories that two people burn while they perform various exercises for one hour each. Which conclusion is supported by the graph? The 200-pound person burns more calories per hour doing aerobics than doing any other exercise shown. The 160-pound person burns about 50 calories per mile while jogging. The 200-pound person would need to play volleyball for three hours to burn the same number of calories as he burns in one hour of basketball. The 160-pound person burns about twice as many calories jogging as she does walking.
The answer is "The 160-pound person burns about twice as many calories jogging as she does walking"
Let's put a letter to each statement in order to make it easier to understand.
Statements:A - The 200-pound person burns more calories per hour doing aerobics than doing any other exercise shown: False, we can see that the 200-pound person burns more calories per hour doing basketball and jogging than doing aerobics.
B - The 160-pound person burns about 50 calories per mile while jogging: False, we can see that the 160-pound person burns much more than 50 calories per mile while jogging (more than 100 calories).
C - The 200-pound person would need to play volleyball for three hours to burn the same number of calories as he burns in one hour of basketball: False, if the 200-pound person plays volleyball for three hours it will be about 1000 calories burned (burns about 350 per hour playing volleyball).
D - The 160-pound person burns about twice as many calories jogging as she does walking: True, we can see that the 160-pound person burns about 600 calories jogging while she burns almost 300 calories walking.
Have a nice day!
Which is an example of how stem cells are currently being used? for generating healthy cells to form replacement organs like brains for directing differentiation to treat diabetes and arthritis for testing for possible side effects of a new cancer medication for curing heart disease by regenerating damaged heart tissue
Curing heart disease by regenerating damaged heart tissue.
for curing heart disease by regenerating damaged heart tissue
Stem cells are commonly used for the tissue repair process and they have the potentials to develop into different cells type in the body during early life and growth. Thus, stem cells in many tissues can function as internal repair system by dividing essentially without limit to replenish other cells as long as the person or animal is still alive. Furthermore, they mediates diverse role in disease progression, development and tissue repair processes in host.
Why are yeast cells frequently used as hosts for cloning?
A) they easily form colonies
B) they can remove exons from mRNA.
C) they do not have plasmids.
D) they are eukaryotic cells
E) only yeast cells allow the gene to be cloned
Yeast cells frequently used as hosts for cloning as they are eukaryotic cells. So, the correct option is (D).
What are Yeast cells?
Yeast cells are defined as round to elongated cells that reproduce vegetatively by budding or sprouting to produce the mycelium found in some members of the Mucorales.
These are eukaryotic, single-celled microorganisms classified as members of the fungi kingdom. The first yeasts originated hundreds of millions of years ago having at least 1,500 species are currently recognized and are estimated to account for 1% of all described fungal species.
These cells are usually used for cloning as host as they are eukaryotic cells.
Thus, Yeast cells frequently used as hosts for cloning as they are eukaryotic cells. So, the correct option is (D).
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Yeast cells are frequently used in cloning because they are eukaryotic, a fundamental likeness to many other organisms, which aids in genetic engineering. Also, they form colonies easily, allowing researchers to identify successful cloning events and isolate each individual clonal population.
Explanation:Yeast cells are commonly used as hosts for cloning for several reasons. Firstly, yeast cells are eukaryotic, making them similar to many other organisms in a fundamental way, which is advantageous for genetic engineering purposes. This likeness is key for post-transcriptional modifications, and yeast cells have the necessary machinery to carry out processes such as splicing and polyadenylation.
Secondly, yeast cells can easily form colonies, which makes the identification of successful cloning events easier. By formulating colonies, researchers can isolate and analyze each individual clonal population. This is ideal for experiments in which the effects of a single gene need to be studied in a controlled environment.
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(oxygen, electron transport chain, chemiosmosis, NADPH)
ATP synthesis in both chloroplasts and mitochondria involves the process called _______
In both cellular respiration and photosynthesis, a(n) _________ built into a membrane pumps H+ across the membrane as electrons are passed from one electron carrier to the next in a series of redox reactions
In respiration, the electrons come from the oxidation of organic molecules, and __________is the final electron acceptor.
In photosynthesis, the electrons come from water and end up in ___________
Hai there :3 I'm planning to study chemical engineering.
Question related to Biochemistry (Photosynthesis & Cellular Respiration)
1. Chemiosmosis. In the process of chemiosmosis, specific enzymes (such as ATP synthase) create ATP. Hydrogen ions go from a higher proton concentration to a lower one, which is why it's called chemio"osmosis"
2. Electron Transport Chain (ETC). The name says it all. Simply explained, electrons are transported and transferred in the mitochondrial membrane.
3. Oxygen. O2, the diatomic molecule, is essential in respiration. In the final stage of respiration, at the near end of the electron transport chain, oxygen accepts protons to become water. Cells use O2 during oxidative phosphorylation.
4. NADPH. I remember learning what this acronym means by heart. Nicotinamide Adenine Dinucleotide Phosphate Hydrogen. NADPH is essential in photosynthesis as a typical coenzyme in the reduction of chemical reactions.
Locomotion in Metazoa is usually due to the contraction of what? a. Skeleton b. Muscle c. Skin d. Nerves
Answer: b. Muscles
A metazoa is a division of animal kingdom that includes all animals expect protozoa and sponges. Metazoa division includes multicelluar animals, which exhibit highly differentiated cells. They have muscular and nerve system and well coordinated tissues and organs. Locomotion requires a coordination activity of muscular, skeletal and neural system. It is mainly achieved by contraction and relaxation of muscles that occurs due to specialized muscle proteins named as actin and myosin which receives signals from nerves.
Hence, locomotion in metazoa is due to contraction of muscles.
In what location would primary succession most likely occur?
An area that was covered by a glacier
An area that was in a long drought
An area that had severe flooding
An area that was hit by a hurricane
Answer:
An area that was covered by a glacier
Explanation:
Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited.
Primary succession would most likely take place in an area that was covered by a glacier, as it leaves behind bare rock which is a blank slate for succession to begin, starting with the activity of pioneer species.
Primary succession would most likely occur in an area that was covered by a glacier. This is because primary succession is ecological succession that happens on lands where life has not previously existed, such as newly formed land from lava flows or land exposed after a glacier recedes. The melting and retreat of glaciers leave behind bare rock, as the glacial movement scours the landscape down to bedrock, removing any preexisting soil. Thus, this sets the stage for primary succession, where soil must first be produced before life can begin to establish itself.
Pioneer species, like lichens and some mosses, are crucial to the soil formation process during primary succession. These organisms can grow on bare rock and contribute to the gradual breakdown of these rocks and the accumulation of organic material, which over time leads to the formation of soil.