Answers
Yes, you've labelled them correctly. For your reference, here are a few details for each leaf structure in the labels.
Cuticle: Also can be called as waxy cuticle, it can help reduce water loss from the leaf, since it is impermeable to water. It is usually thicker in the top of the leaf comparing to the bottom side of the leaf, as the sunlight shining on the top of the leaf can increase the chance of water evaporation.
Upper epidermis: They're cells which act as barriers. They can prevent the entry of diseases. They're also so thin and transparent that sunlight can be passed through.
Palisade mesophyll cells: They're the main location for photosynthesis, where the plant make energy by using sunlight. Chloroplasts, which absorbs sunlight, are mostly in these cells, (although they also exist in other leaf parts, but not as many).
Xylem and Phloem: They're collectively called the vascular bundle, or vein. Xylem transports water and mineral ions from soil to leaf, and phloem transports sugar and amino acids from places of production (leaf) to places for usage or storage.
Spongy mesophyll cells: They also have a few chloroplasts, but not as many as palisade mesophyll cells. They're loosely packed to allow gas to pass through and exchange.
Lower epidermis: similar function to upper epidermis.
For further notice, note that the missing structures from the diagram are guard cells and stomata, usually lies in the lower epidermis. Stomata are pores which allows waste products from photosynthesis (oxygen) to evaporate away and carbon dioxide from the air outside to enter the leaf. Guard cells are just the cells around the stomata, controlling the size of the stomata to increase or reduce water loss/carbon dioxide intake.
Yes, you labelled the diagram correctly.
Cuticle
Palisade mesophyll cells
Xylem
Phloem
Spongy mesophyll cells.
The following is a more detailed explanation of the location of each part:
Cuticle: The cuticle is located on the outermost layer of the leaf, covering both the upper and lower epidermis.
Epidermis: The epidermis is located directly below the cuticle on both the upper and lower surfaces of the leaf.
Palisade mesophyll cells: Palisade mesophyll cells are located directly below the upper epidermis.
Xylem: Xylem is located in the veins of the leaf, which are visible on both the upper and lower surfaces.
Phloem: Phloem is also located in the veins of the leaf, but it is usually located on the inside of the xylem.
Spongy mesophyll cells: Spongy mesophyll cells are located below the palisade mesophyll cells and between the veins of the leaf.
Here are some additional details about the leaf anatomy:
The veins of the leaf help to support the leaf and to transport water, minerals, and nutrients.
The stomata are small openings in the epidermis that allow for gas exchange.
The guard cells are two specialized cells that flank the stomata and control their opening and closing.
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Related Questions
In order for most chemical reactions to occur in living things what inorganic substance must be present?
Answers
Water is the inorganic substance most fundamental for chemical reactions in living organisms, serving multiple roles including as a reactant in hydrolysis reactions. Inorganic compounds such as salts, acids, and bases, also contribute to chemical reactions and bodily functions.
Explanation:The inorganic substance crucial for most chemical reactions to occur in living things is water. Water's role is multifaceted. It acts as a lubricant, a cushion, a heat sink, a component of liquid mixtures, a byproduct of dehydration synthesis reactions, and most importantly, a reactant in hydrolysis reactions.
Other inorganic compounds essential to human functioning, such as salts, acids, and bases, are also important and interact with water in different ways to contribute to chemical reactions.
Salts, for example, dissociate into ions other than H* or OH in water. Acids and bases respectively release and accept H* in solution, leading to changes in the acidity or alkalinity. Therefore, the presence of water and these inorganic compounds ensures the proper functioning of the complex biochemistry of life.
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When both water and salt are present in a solution and teh cell needs water, which process enables the cell to obtain the water without the salt -osmosis through a permeable membrane -diffusion through a permeable membrane -osmosis throuhg a semipermeable membrane -diffusion through a nuclear membrane
Answers
Osmosis is the movement of water molecules from an area of high concentration of water to an area of low concentration of water across a semipermeable membrane. In osmosis, only the water molecules cross the membrane, leaving behind solutes such as salt.
Answer:
osmosis through a semipermeable membrane
Explanation:
I just took that quiz!
I guessed XD :v
Hope this helps :D
Precipitation that percolates into the soil becomes..
a. runoff.
b. water vapor.
c. lakes.
d. groundwater.
Answers
Use information about the moose population presented in the graph as the basis for explaining the change in the wolf population after 1980. Explain one possible reason for the change in the moose population after 1980.
Answers
The main reason for the increase in the population of the moose is decrease in the predation by wolves.
The wolves eat the mooses, and the presence of the wolves do not let the moose population increase, as the population of the wolves decrease, the predation of the mooses also decrease. As a result, more mosses can survive, which lead to the increase shown in the graph.
Final answer:
The wolf population changes after 1980 are likely due to predator-prey dynamics, with possible factors such as food availability and habitat changes impacting the moose population. Environmental shifts and the reintroduction of species like wolves can significantly alter these dynamics and subsequently affect the populations of both predators and prey.
Explanation:
The change in the wolf population after 1980 can be explained by the predator-prey relationship that exists between wolves and moose. If the moose population changes due to factors such as food availability, habitat conditions, or human activities, this can result in a subsequent increase or decrease in wolf numbers as their food source becomes more or less abundant. An example of why the moose population might have changed could be alterations in habitat caused by human impact or climate change, affecting the availability of food for the moose.
One possible reason for the change in the moose population after 1980 could be environmental changes, as observed in the case study where lichen abundance decreased due to climate change, thus impacting the caribou population. In another example, the reintroduction of wolves to Yellowstone National Park altered the ecosystem, showing the complex interplay of predator-prey dynamics and habitat conditions. Similar factors could have influenced the moose and wolf populations in the presented scenario.
I suck at science
What attractive force holds two hydrogen atoms and one oxygen atom together to make the substance water?
A.Molecules
B.Valence electrons
C.Chemical bonding
D.Cations
Answers
the answer is c. chemical bonding bc its the attraction between atoms.
Secretion is similar to ____. Secretion is similar to ____. Filtration, because in both, substances cross endothelial cells lining the glomerulus and epithelial cells of Bowman's capsule Reabsoprtion, because in both, substances cross endothelial cells lining the glomerulus and epithelial cells of Bowman's capsule Filtration, because in both, substances cross endothelial cells lining the peritubular capillaries and epithelial cells lining the nephron tubule Reabsorption, because in both, substances cross endothelial cells lining the peritubular capillaries and epithelial cells lining the nephron tubule
Answers
Secretion in the context of kidney function is related to both filtration and reabsorption. While filtration is the first step where blood is filtered and the filtrate gets collected, reabsorption is the process where required materials are retrieved from the filtrate. Secretion is the opposite process of reabsorption where wastes and toxins, not reabsorbed are disposed into the renal tubules for excretion.
Explanation:The process of secretion, in the context of kidney function, is somewhat similar to both filtration and reabsorption. Filtration occurs in the renal corpuscle, which comprises the glomerulus and Bowman's capsule. As blood passes through the glomerulus, nearly 20% of the plasma filters are captured by Bowman's capsule and funneled to the proximal convoluted tubule (PCT). This filtration membrane allows rapid movement of filtrate, excluding large proteins and cells.
Reabsorption, primarily taking place in the PCT, refers back to the retrieval of needed substances like water, glucose and ions from the filtered fluid. This can be passive or active, regulated by hormones and influenced by varying solute transport maximum. On the other hand, secretion is the process of depositing unwanted substances from the blood into the renal tubules for excretion, the substances of which are not reabsorbed by the filtrate.
Thus, secretion is akin to filtration as both involve the movement of substances across cells and capillaries. Similarly, it relates to reabsorption in that both processes involve the transfer of substances from the blood to the renal tubules. However, secretion and reabsorption are essentially opposite processes – while reabsorption takes back needed substances, secretion disposes of unnecessary or harmful ones.
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If a white flower is crossed with a red flower and all of the offspring are pink flowers, this would be an example of ____.
simple dominance
incomplete dominance
codominance
multiple alleles
Answers
Answer:
C
Explanation:
Which of these conclusions is correct about the processes M, N, and R in the diagram?
M represents evaporation and N represents transpiration.
R represents transpiration and M represents precipitation.
R represents evaporation and M represents condensation.
M represents precipitation and N represents condensation.
Answers
Answer:
Option (1)
Explanation:
In the given figure, the interaction between the atmosphere and the land is shown and the processes that undergo here are shown in the form of arrows with direction.
The letters M and N indicate evaporation and transpiration respectively.
Evaporation is the process by which the water changes its form from liquid to vapor. Here due to the sunlight, the water present on the surface gets evaporates and are released into the atmosphere.
Transpiration is the process by which the plants take in water to their roots for their growth and expansion. The excess water present is liberated into the atmosphere through their leaves.
Hence the correct answer is option (1).
The mitotic spindle is a part of a cell that allows for the movement of sister chromatids to opposite poles of the cell during the later stages of mitosis. Which problem would most likely occur if the mitotic spindle stopped functioning in a cell?(BIO.1E.2)
Answers
Answer:
As mentioned in the question, The mitotic spindle is a part of a cell that allows for the movement of sister chromatids to opposite poles of the cell during the later stages of mitosis.
However, if due to any reason, mitotic spindles donot function properly, it will hinder the separation of spindle fibers and chromosomes will not be separated from each other. This is commonly termed a s a condition of Nondisjunction of chrosmosomes where they fail to separate during mitosis. This results in the production of extra chromosomes or missing chromosomes - a condition called aneuploidy.
If this condition occurs in embryos like they have extra or missing chromosomes, they do not survive in main cases and the chances of their survival are only 0.3 percent.
However, if a child is born with such chromosomal defects called aneuploids, they have severe physiological or genetic conditions.
For example: Down syndrome in which there is an extra chromosome 21 in the offspring, this condition is also known as trisomy. In this genetic disease, the offspring manifest a series of physiological problems like mild to moderate intellectual disability,physical growth delays and characteristic facial features.
There are also many other genetic diseases associated with chromosomal non-disjuction such as Turner syndrome, Patau Syndrome Edward’s Syndrome, and Kleinfelter’s Syndrome.
Hope it help!
Answer:
let me eat you p hole
Explanation:
bc i want to
how do sudden, brief rainfalls damage desert soil
Answers
A researcher is monitoring a colony of single-celled organisms and notes that the colony is releasing carbon dioxide (CO2) and using up oxygen (O2) in the closed clear glass container in which it is being kept. Which of the following can be assumed about these organisms from these observations? They are releasing energy from organic molecules through aerobic respiration. They are storing energy in organic molecules through photosynthesis. They are releasing energy from organic molecules through anaerobic fermentation. They are storing energy in organic molecules through aerobic respiration.
Answers
They are releasing energy from organic molecules through aerobic respiration. In cell respiration, you are releasing energy, and in this case you are releasing energy from organic molecules. Because they are a single-celled organism using oxygen and releasing carbon, the process being used is aerobic respiration.
Answer:
A: They are releasing energy from organic molecules through aerobic respiration. In cell respiration, you are releasing energy, and in this case, you are releasing energy from organic molecules. Because they are a single-celled organism using oxygen and releasing carbon, the process being used is aerobic respiration
1. Which of the following transport mechanisms utilizes energy?
A. Osmosis
B. Diffusion
C. Facilitated diffusion
D. Endocytosis
Answers
The cell mass that develops from the fertilized egg implants itself in the uterine wall during the ____ stage of prenatal development.
a. fertilization
b. fetal
c. embryonic
d. germinal
Answers
The fertilized egg, or zygote, implants itself in the uterine wall during the germinal stage of prenatal development. This stage occurs immediately after fertilization and lasts approximately two weeks.
Explanation:The cell mass that develops from the fertilized egg implants itself in the uterine wall during the germinal stage of prenatal development. The germinal stage occurs right after fertilization and lasts about two weeks.
During this stage, the fertilized egg, also known as the zygote, travels down the fallopian tube and implants itself in the uterine wall. This is where it begins to divide and grow into a cluster of cells via a process known as cell division.
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If a person with O blood type produces offspring with a person with B blood type, then what percentage of their offspring will be type O in the best case scenario? A) 40% B) 50% C) 90% D) 100%
Answers
Answer
The correct answer would be B) 50 %.
In humans, the blood group is determined by three alleles [tex]I^{A},I^{B},[/tex] and [tex]i[/tex].
[tex]I^{A} and I^{B}[/tex] are co-dominant whereas [tex]i[/tex] is recessive to other two.
Thus, the genotype of a person with blood group O would be [tex]ii[/tex].
The genotype of a person with blood group B would be either [tex]I^{B}I^{B}[/tex] (homozygous condition) or [tex]I^{B}i[/tex] (heterozygous condition).
The crosses are shown in the image below.
There is only one condition in which the person can have offspring with blood group O that is, when the other parent is [tex]I^{B}i[/tex].
In this condition, the probability of an offspring to have blood group O is 50%.
In other condition, the probability of an offspring to have blood O is 0%.
Answer:
Explanation:
The correct answer would be B) 50 %.
In humans, the blood group is determined by three alleles and .
are co-dominant whereas is recessive to other two.
Thus, the genotype of a person with blood group O would be .
The genotype of a person with blood group B would be either (homozygous condition) or (heterozygous condition).
The crosses are shown in the image below.
There is only one condition in wh
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An abiotic factor affecting the behavior and survival of birds is the A) length of daylight. B) number of carnivores. C) presence of harmful bacteria. D) size of the insect population.
Answers
Hi~~
In order to answer this question, you need to know what abiotic factors are! Abiotic refers to anything that is lifeless.
Look at your choices. B, C, and D are answers that contain life. Therefore, the correct answer is A) length of daylight, since it is
That was just a simple explanation.
The ___________ of ocean water depends on the amount of salt dissolved in it and its temperature.
A.
polarity
B.
density
C.
reactivity
D.
conductivity
Answers
The density of ocean water depends on the amount of salt dissolved in it and its temperature. Therefore, option B is correct.
What is density?A substance's density is a measurement of how heavy it is in relation to its size. When placed in water, an object will float if its density is lower than that of the water, whereas it will sink if its density is higher. The density of a material is a distinguishing quality that is independent of the substance's volume.
Reducing the temperature, raising the salinity, or raising the pressure all increase the density of seawater. Freshwater is less dense than saltwater. More dense substances will be located below less dense material.
On increasing salinity, the density of ocean water increases. In this way, The density of ocean water depends on the amount of salt dissolved in it and its temperature. Therefore, option B is correct.
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The last area of the brain to fully mature in late adolescence or early adulthood is the
a. hypothalamus.
b. prefrontal cortex.
c. occipital cortex.
d. medulla.
Answers
Hypothalamus and limbic system togethere maintains the emotions and sexual urge !! Thus they attain maturity in later stage of life (in puberty ) !!
The prefrontal cortex is the last area of the brain to mature during late adolescence or early adulthood, playing a key role in planning, decision-making, and impulse control. Hence, the correct option is b.
The prefrontal cortex is responsible for high-order functions such as planning, prioritizing, and controlling impulses. It continues to develop and mature into the mid- to late 20s, much later than many other parts of the brain. Brain scans from functional magnetic resonance imaging (fMRI) studies have shown that cognitive control, which reflects the functionality of the prefrontal cortex, is not fully developed until adulthood.
During extended, intense exercise, a person begins to tire and breathe heavily. If this person continues to exercise, his muscles will soon switch from aerobic respiration to anaerobic (alcoholic) respiration anaerobic (lactic acid) respiration to aerobic respiration anaerobic (alcoholic) respiration to aerobic respiration aerobic respiration to anaerobic (lactic acid) respiration
Answers
Usually during exercise, unlike during rest times the muscle cells need to respire more. So they need more oxygen and glucose for energy and the carbon-dioxide produced as waste must be removed quickly. So when person gets tired or breathes heavily during intensive workouts means they are in need of more oxygen. So the cells starts performing anaerobic(lactic acid ) respiration even though it releases less energy.
Answer:
aerobic respiration to anaerobic (lactic acid) respiration
Explanation:
One's sex is ____ determined; one's gender is ____ determined.
a. culturally; biologically
b. culturally; culturally
c. biologically; culturally
d. biologically; biologically
Answers
so both are Biologically determined !! no culture influence is involved !!
The answer is
One's sex is biologically determined ;one's gender is culturally determined.
In simple words the answer is C)
Hope it helps
How many molecules of carbon dioxide (CO2) would be produced by five turns of the citric acid cycle?
Answers
Considering only citric cycle when the acetyl coA enters into the citric acid cycle the two molecules are formed in a single turn.
In five turns, 10 molecules of carbon dioxide will be produced by five turns of the citric acid cycle.
10 molecules of Carbon-dioxide ([tex]CO_2[/tex]) would be produced by five turns of the citric acid cycle (TCA).
What are Molecules?
A group of two or more atoms forms the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance.
The citric acid cycle is a series of reactions that produces 2 carbon-dioxide molecules, one GTP/ATP molecule, and some reduced forms of NADH, [tex]FADH_2[/tex] in one turn of the citric acid cycle.
Therefore, 10 molecules of Carbon-dioxide ([tex]CO_2[/tex]) would be produced by five turns of the citric acid cycle (TCA).
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PLZZ!! ANSWER!!
The following tracking model was created for Hurricane Ike on September 8, 2008.
According to this model, at which point is the storm least likely to make landfall?
Public Domain
Point A
Point B
Point C
Point D
Answers
Point C
Hope this helps!
Answer: Option (C)
Explanation: By comparing the current center location and the forecast center location, we can depict that the storm is more likely to travel in the north-western direction affecting the coastal location such as location A, B and D in a vulnerable way.
Location C in comparison to the other location is located at somewhat different place which does not come into the intensive effect of the storm, so this place will have the least chances of getting affected.
N the savanna, a lion would be the ____________ while the water buffalo would be the
Answers
The answer is Predator and prey
Organisms in the kingdom Eubacteria or the true bacteria are in the domain A) Archaea. B) Bacteria. C) Eukarya. D) Monera. Submit
Answers
Answer:
The correct answer is option B, bacteria
Explanation:
All the unicellular prokaryotes are defined as bacteria and thus they belong to bacteria domain. Since they belong to bacteria domain, they posses rRNA specific to bacteria and this rRNA is very different from that of Archaea and Eukarya.Also the Organisms in the kingdom Eubacteria are known as true bacteria thus, a true bacteria would definitely be a part of bacteria domain.
The organisms in the kingdom Eubacteria, or the true bacteria, are in the domain Bacteria. This domain includes prokaryotic, unicellular organisms without nuclei. Although Archaea also contains prokaryotic organisms, they are biochemically and genetically distinct from those in the bacteria.
The organisms in the kingdom Eubacteria, also known as the true bacteria, belong to the domain Bacteria.
There are three recognized domains in biological classification: Archaea, Bacteria, and Eukarya.
The domain Bacteria consists of prokaryotic, unicellular organisms without nuclei, like the eubacteria.
Unlike the eukaryotic organisms of the domain Eukarya, which include fungi, plants, and animals, bacteria have no nucleus or other membrane-bound organelles present in their cells.
Although Archaea is also a domain of prokaryotic organisms, members of this domain are biochemically and genetically different from bacteria and are often found in extreme environments.
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debt is a legal obligation to repay what you owe. which of the is a debt instrument
a. stock
b. commercial paper
c. printed currency
Answers
i think that the answer to this question could be A.stock
A region in which a layer of limestone close to the surface creates deep valley caverens and sinkholes
Answers
Why do we see fireworks before we hear the explosions? A) The speed of sound is faster than the speed of light B) The speed of sound is the same as the speed of light C) The speed of light is faster than the speed of sound. D) The speed of light varies while the speed of sound is constant. Eliminate
Answers
C, The speed of light is faster than the speed of sound.
Answer:
C) The speed of light is faster than the speed of sound.
Explanation:
The speed of light is faster than the speed of sound. Therefore, the light waves travel through the air from the explosion to our eyes much faster than the sound vibrations travel to our ears.
(I did the quiz btw!!)
Need help please!
Weather balloons and the ozone layer can be found in which layer of Earth's atmosphere?
A. exosphere
B. troposphere
C. stratosphere
D. thermosphere
Answers
C. stratosphere is your answer
Most weather balloons are located in the stratosphere to be able to get extremely accurate and stable results. The ozone layer is also located in this area and helps absorb the sun's harmful UV rays before the light reaches us.
~
Weather balloons and the ozone layer can be found in the;
C. Stratosphere
- The ozone layer is contained in the stratosphere
- Ozone is a form of oxygen that is found in this layer
- The temperature is cold except in the upper region where the ozone is located
- Weather balloons can fly up to the stratosphere
- Extends from 20 to 50 km
how oxygen and carbon dioxide are produced
Answers
Oxygen is produced by trees through photothnthesis and carbon dioxide is prodeced by mammals and other things breathing it out or burning fule.
Explain how trees can be producers and yet the smallest tropic level in a pyramid of numbers?
Answers
Each pyramid of numbers are each different, containing that organisms in each level. The number of the lesser organisms would be less. And the more ... the more.
Which species in the diagram are herbivores and carnivores?
Answers
The herbivores: Deer, Mouse, Butterfly, Cricket.
The Carnivores: Wolf, Bird, Snake.