Answer:
carbon, hydrogen, oxygen, and nitrogen (CHON). Nucleic acids such as DNA and RNA contain carbon, hydrogen, oxygen, nitrogen, and phosphorus (CHON P).
Explanation:
A chicken provides protein and therefore the chicken will have the molecules present in a protein
Chicken contains essential organic molecules such as carbohydrates, proteins, lipids, and nucleic acids. Proteins in chicken are particularly valuable for their amino acids, while the nutritional quality can vary based on farming practices.
Explanation:The organic molecules found in chicken include a variety of important classes necessary for the body's nutrition and biological functions. These molecules are carbohydrates, proteins, lipids (fats), and nucleic acids. Chicken provides proteins that are broken down during digestion to amino acids, which are then used by the body as building blocks for new proteins and as precursors for nucleic acids. The body also converts excess carbohydrates into glucose, which is used as energy, and stores any surplus in the form of glycogen. While the body can synthesize many molecules, essential nutrients like certain fatty acids and vitamins must come from our diet.
One of the key nutritional aspects of chicken is that it is a rich source of protein, essential for building and repairing tissues. However, it's important to note that the nutritional quality of chicken can be affected by farming practices. For instance, chicken from concentrated animal-feeding operations may have higher levels of saturated fat and lower quantities of beneficial compounds like omega-3 fatty acids compared to those from other sources.
Difference between Flora and Fauna.
Answer:
Explanation:Flora includes all organisms that may synthesize its food itself and are often immobile, they mainly comprise of all plants, trees, shrubs while fauna are categorised to be organisms that have to acquire meals and and are usually mobile and feed on other living organisms themselves.
Answer: Flora refers to vegetation (plants, fungi, algae) in a particular area, but Fauna refers to the animals living in a particular area. Flora cannot move from one place to another, whereas fauna can.
Explanation:
DNA is composed of strands of nucleotides that
pair in regular patterns and are held together by
the forces shown in the diagram below.
Arb
POUP
Pidres
Su
Thy
What forces, represented by dotted lines, hold
together the two strands of DNA shown in the
diagram above? (3.2)
A. Ionic bonds
B. Covalent bonds
C. Hydrogen bonds
D. Carbon-carbon bonds
Answer:
C. Hydrogen Bonds
Explanation:
Answer:
C. Hydrogen bonds
Explanation:
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Which of the following environmental problems could be solved by reducing the amount of packaging that people need to throw away?
A.
an oil spill pollutes water supplies
B.
a landfill is filling up too quickly
C.
a river is polluted with pesticide
D.
burning coal produces air pollution
Answer:
B
Explanation:
Because packaging is thrown into landfills so the landfill would fill up slower if less packaging was being put in it.
Final answer:
Reducing packaging would help solve environmental problems related to landfills filling up too quickly but does not directly address issues like oil spills, river pesticide pollution, or air pollution from burning coal.
Explanation:
Reducing the amount of packaging that people need to throw away would most directly solve the environmental problem where a landfill is filling up too quickly. By minimizing packaging waste, we conserve resources and produce less trash that ends up in landfills. Excessive trash in landfills can be problematic, as it uses valuable land resources and takes hundreds of years for materials like plastic bottles to break down, potentially leading to environmental pollution. In contrast, reducing packaging would not directly address issues like oil spills polluting water supplies, rivers polluted with pesticides, or air pollution from burning coal as these issues arise from different sources and activities.
Parent Plant one’s gametes are as follows:
Gamete 1: PR
Gamete 2: Pr
Gamete 3: pR
gamete 4: pr
Parent Plant Two:
Gamete 1: PR
Gamete 2: Pr
Gamete 3: pR
Gamete 4: pr
Create a Punnett square to calculate the possible genotypes that can result from a cross between the two parent plants. In a dihybrid cross, the alleles of the gametes of each parent are written along the left side and top of the Punnett square, just as they are for a monohybrid cross. Fill in the squares with the predicted genotypes.
Answer:
In a dihybrid cross, the alleles of the gametes of each plant parent (PpRr x PpRr) are written along the left side and top to the Punnett square drawing. We can calculate the outcome of the genetic cross of (PpRr x PpRr). Since each parent has four different combinations of alleles in the gametes, there are sixteen possible. There will be nine (9) individuals with both dominant traits, three (3) individuals dominant for one trait, three (3) individuals dominant for the other trait and only one individual recessive for both traits.
In this case, we are looking at a subcategory of the plants dominant for both traits. Four of these nine will be heterozygous for both traits. The ratios can be represented as: 9:3:3:1.
For further information, please see the image attached.
Final answer:
To create a Punnett square for a dihybrid cross between the two parent plants, list the alleles from each parent's gametes along the left side and top of the square. The possible genotypes that can result from the cross are: PR, Pr, pR, and pr.
Explanation:
To create a Punnett square for a dihybrid cross between the two parent plants, the alleles from each parent's gametes are written along the left side and top of the square. In this case, both parents have the same gametes, so the Punnett square will be symmetrical. The possible genotypes that can result from the cross are: PR, Pr, pR, and pr. These genotypes represent the different combinations of alleles from the two parents.
Select the correct answer from each drop-down menu.
Plants use sunlight to convert nutrients into energy. What form of energy transfer is taking place?
The
energy of the Sun is converted into
energy by the plants.
Final answer:
During photosynthesis, plants convert the radiant energy of sunlight into chemical energy, which is stored in the form of glucose. This chemical energy is transferred to animals when they consume plant materials.
Explanation:
The radiant energy in sunlight is crucial for plants to perform photosynthesis, a fundamentally important biological process. During photosynthesis, plants absorb solar energy and use it to convert carbon dioxide and water into glucose and oxygen. This process involves the transformation of light energy into chemical potential energy, which is stored in the chemical bonds of glucose and other carbohydrates. Animals then consume these plants or plant-derived products to obtain this chemical energy, which is released during digestion.
Therefore, to answer the student's question:
The radiant energy of the Sun is converted into chemical energy by the plants. Option a. Sunlight is converted into chemical energy by plants; this energy is released when we digest food, which is the correct completion of the statement.
The ATP molecule shown consists of a base,__________, and a chain of three phosphates.
Answer:
The ATP molecule shown consists of a base, Adenine, and a chain of three phosphates.
Explanation:
ATP can be described as a molecule which is the main energy source for cells of an organisms body. ATP is made up of a nucleotide base which is adenine and three phosphates attached to it hence the name adenine triphosphate.
The energy is released from an ATP molecule by breaking or hydrolyzing it. This process releases adenine diphosphate, a phosphate molecule along with loads of energy. ATP is the main molecule which cells use to carry out their normal functions.
Where is this energy stored in glucose
Answer:
The energy in glucose is stored primarily in the carbon-carbon and carbon-hydrogen bonds. In fact, anything with carbon-carbon and carbon-hydrogen bonds stores energy. Other common examples include gasoline, coal, and fat.
Explanation:
Answer:
The energy stored in glucose is starch and glycogen.
Explanation:
Okay so you get glucose from sugar then that is then stored in to as a starch or like glycogen.
What is CEPHALIZATION in simple words?
Cephalization is the evolutionary trend of concentrating nervous tissue, forming a centralized 'head'. In the human context, it refers to 'encephalization', or an evolutionary increase in the size of the brain relative to body size.
Explanation:In simple terms, Cephalization is the evolutionary trend where the nervous tissue, over many generations, becomes concentrated towards one end of an organism. This process forms a head region with centralized control functions like the brain and sensory organs. With respect to humans, it refers to the evolutionary increase in the size of the brain relative to body size - a phenomenon known as encephalization.
Organisms display different degrees of cephalization, largely connected to their complexity and mode of life. For example, in humans and other primates, a significant part of this process was encephalization, or the increase in brain size over time relative to body size. This is measured using the encephalization quotient, which is the ratio between actual brain weight and expected brain weight for an animal of a given size. This ratio has increased over time, reflecting our increased cognitive complexity.
The development and shape of the brain can also be studied using endocranial casts - molds of the inside of the braincase that give us insight into brain volume. This provides a rough estimate of brain size, allowing us to trace the process of encephalization in human evolution.
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Why are mitochondria and Chloroplasts unique?
Answer:
Mitochondria and chloroplasts have striking similarities to bacteria cells. They have their own DNA, which is separate from the DNA found in the nucleus of the cell. And both organelles use their DNA to produce many proteins and enzymes required for their function.
Explanation:
Mitochondria and chloroplasts are unique because they have their own DNA and are thought to have originated from ancient symbiotic relationships.
What are mitochondria?Mitochondria are double-membraned organelles found in eukaryotic cells. They are often referred to as the "powerhouses" of the cell due to their role in energy production. Mitochondria are responsible for generating adenosine triphosphate (ATP), the molecule that serves as the primary energy currency of the cell.
Mitochondria have their own DNA, separate from the cell's nuclear DNA, and can replicate independently through a process similar to bacterial binary fission. This suggests that mitochondria have an evolutionary origin as free-living bacteria that formed a symbiotic relationship with early eukaryotic cells.
The inner membrane of mitochondria contains various protein complexes involved in cellular respiration, a series of biochemical reactions that convert nutrients into ATP. These reactions occur in specialized structures called cristae, which increase the surface area available for energy production.
Mitochondria also play roles in calcium signaling, regulation of cell death processes, and other cellular functions beyond energy production. Their presence varies in different cell types, with higher concentrations in cells that require substantial energy, such as muscle cells.
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describe 3 ways in which materials are transported across the cell membrane
(When molecules move in this way, they are said to move down their concentration gradient.) Three common types of passive transport include simple diffusion, osmosis, and facilitated diffusion. Simple Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.
Process does not require oxygen.
Anaerobic respiration is a biological process that does not require oxygen. It occurs in organisms like yeast, muscle cells during exercise, and certain bacteria and archaea. Anaerobic respiration is also known as fermentation and is a quick source of energy.
Explanation:In biology, the process that does not require oxygen is called anaerobic respiration. Anaerobic respiration occurs in organisms, such as yeast, in the absence of oxygen.
An example of anaerobic respiration is fermentation, which takes place in the muscle cells of animals during intense exercise. Fermentation produces lactic acid and provides a quick source of energy.
Some bacteria and archaea also carry out anaerobic respiration in environments with low oxygen levels, using different chemical reactions to generate energy.
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Active transport and facilitied diffusion relation
Answer:
Both facilitated diffusion and active transport are selective processes. Only selective molecules are allowed to cross the membrane. They utilize carrier proteins to move across the membrane.
Explanation:
Diffusion is the process by which molecules move across a membrane respective of the concentration gradient. The plasma membrane is a selectively permeable membrane which allows specific molecules to move across the concentration gradient.
Molecules migrate from a region of higher concentration to a lower concentration in case of diffusion. It can be classified into simple diffusion and facilitated diffusion. These are examples of passive transport.
In facilitated diffusion molecules move across the concentration gradient with the help of carrier proteins or channel proteins. The carrier proteins bind to the molecule which has to be transported and change conformation to allow it to cross the membrane. For example glucose molecule is carried across through GLUT transporter. Channel proteins open a channel inside the membrane and molecules get transported across the gradient.
Active transport carries molecules against the concentration gradient with the assist of energy. ATP hydrolysis is utilized to generate energy. As a result of active transport, the molecules are aggregated on one side of the membrane.
what is meant by social cost
Answer:
Social costs are private costs borne by individuals directly involved in a transaction together with the external costs borne by third parties not directly involved in the transaction.
Explanation:
Answer:
Social costs are private costs borne by individuals directly involved in a transaction together with the external costs borne by third parties not directly involved in the transaction.
Explanation:
Which distinguishes the process of cytokinesis in plant and animal cells?
Question 13 options:
A cell plate forms in animal cells, while a furrow forms in plant cells.
A cell plate forms in plant cells, while a furrow forms in animal cells.
Cytokinesis results in genetic diversity in animal cells but not plant cells.
Cytokinesis results in genetic diversity in plant cells but not animal cells.
Answer:
2nd one
Explanation:
A cell plate forms in plant cells, while a furrow forms in animal cells.
A cell plate forms in plant cells, while furrow forms in animal cells, distinguishing the process of cytokinesis in plant and animal cells. The correct option is b.
What is cytokinesis?Following mitosis is cytokinesis. The cell goes through mitosis after interphase (during which the DNA replicates and primes for division) (the splitting of the nucleus).
Following full membrane separation, a process known as cytokinesis creates two identical cells. After telophase, the cell undergoes cytokinesis, during which the cytoplasm splits to create two daughter cells. The cell then goes through the G0 phase, the quiescent period of cell division during which no cell division takes place.
Therefore, the correct option is B. A cell plate forms in plant cells, while furrow forms in animal cells.
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Which was concluded by Mendel as a result of his genetic research?
Answer:
Which of the following was concluded by Mendel as a result of his genetic research? Genes for different traits are inherited independently of one another. Nondisjunction can result in the formation of a zygote with three copies of a chromosome.
Explanation:
The conclusion by Mendel as a result of his genetic research is that genes for different traits are inherited independently of one another. Non disjunction can result in the formation of a zygote with three copies of a chromosome.
What is the best example of a hypothesis leading to new experimental methods?The best example of a hypothesis leading to new experimental methods as the Thomas Hunt Morgan continued the genetic research of Gregor Mendel, but Morgan used fruit flies.
The best example of a hypothesis leading to new experimental methods is that the Thomas Hunt Morgan continued the genetic research of Gregor Mendel, but Morgan used fruit flies.
Through Thomas Hunt Morgan's fruit fly experiments, he was able to discover and notice the inheritance of specific chromosomes. This experiment gave Mendel a great opportunity to publicize his idea of studying humans.
Therefore, The conclusion by Mendel as a result of his genetic research is that genes for different traits are inherited independently of one another. Non disjunction can result in the formation of a zygote with three copies of a chromosome.
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Which organelles are found in a plant cell
Answer:Plant the plant cell contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes.
Explanation:
The vertical distance from the crest of the wave to the trough of the wave is 4 meters. What is the amplitude of the wave?
Answer:
2 meters
Explanation:
The amplitude of a wave is half the distance from the crest to the trough of that wave.
2.
A network or framework of fibers to which the chromatids are attached. They push and
pull the chromosomes around the cell are known as
A Chromosomes
B Centromeres
C Chromatids
D Spindle Fibers
Convergent plate movement can create all of the following EXCEPT
A) ridges
B) valleys
C) mountains
D) volcanoes.
Convergent plate boundaries are where tectonic plates collide forming mountains, valleys, and volcanoes. Ridges, however are formed at divergent plate boundaries where plates pull apart.
Explanation:In the field of plate tectonics, convergent plate boundaries are areas where two tectonic plates move towards each other. This movement can result in the creation of various geological features such as mountains, valleys, and volcanoes. However, the creation of ridges is typically associated with divergent plate boundaries, where two tectonic plates move apart. Therefore, the correct answer to your question is A) ridges, as convergent plate movement does not typically create ridges.
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What is the purpose of mitosis?
Question 9 options:
create genetic diversity
increase cell volume
produce new offspring
replace damaged cells
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The correct option would be D. replace damaged cells.
Genetic diversity would apply to meiosis not mitosis.
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Answer: Replace damaged cells
Explanation:
The heat process caused by the uneven distribution of thermal energy in Earth's interior is called _____________.
ridge push
mantle convection
slab pull
convection
Answer:
Convection.
Explanation:
The heat process caused by the uneven distribution of thermal energy is Earth's interior is called convection. The heating of the lower atmosphere is primarily the result of distribution of heat through convection. Convection is the process by which air rises or sink because of the difference of temperature. Convection generally occur when gases heated at uneven temperature.
Answer:
The heat process caused by the uneven distribution of thermal energy in Earth's interior is called Convention.
Explanation:
The convention means the process of conveying. Here The thermal energy is conveyed by air. The warmer air tend to move upward while colder air tend to move downward. The air around the globe moves from one place to another y this convention and pressure distribution. A simple example for convention is when you heat the water, the vapors tend move upward.
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During the electron transport chain, what form of energy is produced in the largest quantity
Final answer:
The electron transport chain primarily produces ATP, which is generated through oxidative phosphorylation as electrons move through the chain and create an electrochemical gradient.
Explanation:
During the electron transport chain (ETC), the form of energy produced in the largest quantity is adenosine triphosphate (ATP). This is due to the process of oxidative phosphorylation, where electrons are transferred through various redox reactions in the ETC, located in the inner mitochondrial membrane. The energy from these electrons is used to pump protons across the membrane, creating an electrochemical gradient.
The flow of protons back into the mitochondrial matrix through ATP synthase drives the phosphorylation of ADP to form ATP. The ETC produces more ATP than any other part of cellular respiration, including glycolysis or the Krebs cycle.
Which organelles are found in an animal cell check all apply
Endoplasmic reticulum, centrioles, lysosomes, mitochondria, and cell membrane are found in an animal cell. Vacuoles, chloroplasts, and cell wall are not.
In an animal cell, several organelles play crucial roles in various cellular functions. Let's go through each option to identify which organelles are indeed present:
Endoplasmic Reticulum (ER): Yes, animal cells contain endoplasmic reticulum. This organelle is responsible for protein and lipid synthesis.
Centrioles: Yes, animal cells contain centrioles. These organelles are involved in cell division, aiding in the formation of the mitotic spindle.
Cell Wall: No, animal cells do not have a cell wall. The cell wall is a rigid structure found in plant cells, fungi, and some bacteria, providing structural support and protection.
Vacuoles: Yes, animal cells contain vacuoles, although they are generally smaller and less prominent compared to plant cells.
Vacuoles in animal cells play roles in intracellular digestion and storage.
Lysosomes: Yes, animal cells contain lysosomes. Lysosomes are involved in intracellular digestion, breaking down macromolecules and cellular debris.
Mitochondria: Yes, animal cells contain mitochondria. Mitochondria are known as the powerhouse of the cell, producing energy in the form of ATP through cellular respiration.
Chloroplasts: No, animal cells do not contain chloroplasts. Chloroplasts are organelles found in plant cells and some protists, responsible for photosynthesis.
Cell Membrane: Yes, animal cells have a cell membrane. The cell membrane, also known as the plasma membrane, surrounds the cell, regulating the passage of substances in and out of the cell and providing structural support.
Question
Which organelles are found in an animal cell?
Check all that apply.
endoplasmic reticulum
centrioles
cell wall
vacuoles
lysosomes
mitochondria
chloroplasts
cell membrane
An organism inherits hits genetic instruction from the
Answer:
its parents.
Explanation:
its parents hold a dna code
In a classic experiment using pea shape, Mendel conducted two separate genetic crosses. In the first cross the parent plants were “true breeding” for pea shape; one had round peas ( R )and the other had wrinkled (r). The first cross produced a filial 1 generation of all round peas. In the second cross, Mendel bred plants from the filial 1 generation. This cross produced different results. Out of approximately 1000 plants, about 75% were round and 25% were wrinkled.
From these experiments, Mendel developed four hypotheses. They include all BUT
A) one heritable factor may be dominant and mask the other factor.
B) any organism that "shows" a heritable factor must be homozygous.
C) an organism has two "heritable factors", now called genes, one from each parent.
D) a sperm or egg carries only one heritable factor for each trait in the offspring.
Answer:
The law of segregation is the Mendel’s laws or principles explain that traits are passed from parents to offspring individually instead of as pairs, groups or sets.This is a law or principle which states that during the formation of gametes, two copies of each heredity factors separate out so that the new offspring can get one factor of both the parents. This law was the first law in this direction.
Answer:
B
Explanation:
nucleus of the cell is responsible for
The "brain" of the cell.
The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material.
What effects does burning fossil fuels have on the atmosphere? Select the two correct answers.
increases levels of gases that retain the sun's heat
increases the availability of sulfur dioxide for plants
increases levels of particulate matter
increases ozone levels in the upper atmosphere
increases air quality in areas far away from power plants
Answer:
The burning of fossil fuels produces gases like sulfur dioxide and carbon dioxide which trap the sun's heat radiations and increase the overall temperature of the Earth. So the answers are A & B.
Explanation:
Global warming is caused by burning fossil fuels. The carbon dioxide produced as a result captures the heat in the surrounding atmosphere and causes a rise in temperature. Recently, it has been observed that the glaciers are melting and each year the net temperature of the core of the Earth is increasing.
The other gas produced is sulphur dioxide which is responsible for the acid rain. The sulphur dioxide combines with water to form sulphuric acid which causes damage to buildings and people. E.g Taj Mahal, in India is getting corroded by acid rain.
The burning of fossil fuels increases levels of gases that retain the sun's heat and increases levels of particulate matter.
What are fossil fuels?Fossil fuels are different types of fuels made from dead plants and animals that decomposed over geological time.
Fossil fuels include, among others, coal, oil, natural gas, etc.The burning of these fossil fuels generates global warming by retaining solar radiation in the atmosphere.In conclusion, the burning of fossil fuels increases levels of gases that retain the sun's heat and increases levels of particulate matter.
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Answer:
The correct option is a) the greatest reaction for this enzyme will be in tubes 4 and 5.
Explanation:
As the information in the question shows, the enzyme was isolated from a bacterium which is adapted to live in hot springs where the temperature range is 50 to 80 degrees Celsius. Hence, we can deduce that the enzymes in this bacteria work best at this temperature range or his temperature range can be considered to be optimum for the enzymes of this bacteria. Hence, the greatest reactions will be seen in the tubes 4 and 5 as the temperature will be perfect for the working of the enzyme.
Prison are infectious particles that cause other proteins to?
Answer:
Prions are infectious agents which are responsible for neurodegenerative diseases in animals. Prions cause the refolding of the alpha helical and coil forms of protein structure into beta sheets.
Explanation:
The alpha sheets and coil structures assume helical structures and therefore would give different physiological properties to protein. When they are converted into beta sheets, which are flat and parallel, the structure and function of the protein get altered.
The cellular form of the protein is sensitive to proteases whereas the misfolded protein is not affected by proteases. The misfolded form perpetuates itself by causing the newly synthesized normal form of protein to become degenerate.
Kuru was the first disease caused by prion in humans.,
Lorenzo is making a prediction. "I learned that nonmetals
increase in reactivity when moving from left to right. So I
predict that xenon will be more reactive than iodine." Is
Lorenzo correct? If so, why? If not, explain his error.
Answer:
Lorenzo is not correct because xenon is a noble gas which is nonreactive or inert.
Explanation:
The reactivity of nonmetals increases when moving from left to right in the periodic table. They have a high attraction for electrons and tend to gain electrons. The most reactive nonmetal element is fluorine. Noble gases are the least reactive because they have the most stable arrangement of electrons (eight valence electrons). So they rarely react with other elements. So the prediction that xenon will be more reactive than iodine is incorrect.
Answer:
Lorenzo is not correct. Nonmetals increase in reactivity from left to right because nonmetals on the right have more valence electrons. They need to gain fewer electrons to have a full outer shell. However, this trend only continues until group 17, because the noble gases already have a full outer shell. Therefore, their reactivity is the least of all the elements.
Explanation:
t was already answerd i just wanted to answer too