Answer: The answers are as follows:
Where does the Calvin cycle occur and does it need light?
Unlike the light reactions, which take place in the thylakoid membrane, the reactions of the Calvin cycle take place in the stroma (the inner space of chloroplasts).
Where does photosynthesis get its energy to start?
The whole process of photosynthesis is a transfer of energy from the Sun to a plant. In each sugar molecule created, there is a little bit of energy from the Sun, which the plant can either use or store for later.
What is the chemical equation for cellular respiration?
The equation for cellular respiration is: C6H12O6 + 6O2 → 6CO2 + 6H20 + energy (Glucose + Oxygen yields Carbon Dioxide + Water + Energy) You may notice that the equation for cellular respiration is the opposite of the equation for photosynthesis.
What are the reactants and products of lactic acid fermentation? What is the basic equation?
The simple equation for lactic acid fermentation is glucose ---glycolysis---> 2 pyruvate ---fermentation--> 2 lactic acid. That is to say that glucose is broken down by glycolysis into 2 pyruvates, and then those pyruvates are fermented to produce 2 lactic acid molecules.
How is citric acid formed in the Krebs cycle?
The Krebs cycle itself actually begins when acetyl-CoA combines with a four-carbon molecule called OAA (oxaloacetate) (see Figure above). This produces citric acid, which has six carbon atoms. This is why the Krebs cycle is also called the citric acid cycle.
What are the steps in cellular respiration?
There are three main steps of cellular respiration: glycolysis, the citric acid cycle, and oxidative phosphorylation. Glycolysis takes place in the cytosol, the citric acid cycle occurs in the mitochondrial matrix, and oxidative phosphorylation occurs on the inner mitochondrial membrane.
The energy for glycolysis comes from which molecule?
Glycolysis is a series of reactions that extract energy from glucose by splitting it into two three-carbon molecules called pyruvates.
During which step of cellular respiration is carbon dioxide released?
The stage of cellular respiration in which carbon dioxide release takes place is the citric acid cycle. Aerobic cellular respiration has three steps, glycolysis, the citric acid cycle, and the electron transport chain.
What are the products and reactants of cellular respiration?
During cellular respiration, the reactants—glucose (sugar) and oxygen—combine together to form new products: carbon dioxide molecules and water molecules.
Explain how ectotherms and endotherms regulate their body temperature.
Endotherms use internally generated heat to maintain body temperature. Their body temperature tends to stay steady regardless of the environment. Ectotherms depend mainly on external heat sources and their body temperature changes with the temperature of the environment.
How do humans control their body temperature using ATP?
The muscle contractions of shivering release heat while using ATP. The brain also triggers the thyroid gland in the endocrine system to release thyroid hormone, which increases metabolic activity and heat production in cells throughout the body.
In 3-5 sentences explain how the environment would affect the photosynthetic process of a rainforest plant versus a desert plant. Consider the amount of sunlight and water available in each environment.
The environmental factors that would be more important to a rainforest plant would be sunlight and carbon dioxide. This is because rainforests are shadier and there would be less sunlight for the plant to get, which could cause the plants to get taller in order to reach the sunlight. However, in the desert, the plants would be more dependent on water and carbon dioxide.
Dragonflies are flying insects. In the summer, dragonflies can be seen perched on tree branches in an obelisk pose (i.e., a handstand position with the tip of their abdomen pointing upward). In 3–5 sentences, describe how dragonflies might control their body temperature and give reasons for why they might perch in this pose.
The powered flight regulates body temperature and obelisk posture helps to prevent overheating due to the sun. Dragonflies control their body temperature with the help of controlling metabolic heat production by alternately using powered flight as well as controlling heat loss by changing the circulation between the thorax and abdomen. The dragonflies raised their abdomen until its tip pointed to the sun in order to minimize the surface area exposed to solar radiation so that powered flight regulates body temperature and obelisk posture helps to prevent overheating due to the sun.
Explanation: Hope this helps! :)
Answer:
1. The Calvin cycle is the light-independent (does not need light) step of photosynthesis and happens in the stroma.
2. Light
3. C6H12O6 + 6O2 → 6H2O + 6CO2 + Energy
4. Pyruvic acid + NADH → Lactic acid + NAD+
5. Glycolysis - Krebs Cycle - Electron Transport Chain
6. ATP
7. Reactants are glucose and oxygen, products are carbon dioxide and water with energy in the form of ATP
8. Ectotherms cannot insulate (stop heat loss from) their bodies and can only control their body temperature by choice.
9. shivering
10. Environmental challenges the would affect a rainforest plant would be climate change, and drought. In the rainforest, it may become harder and harder for a plant to survive if it cannot adapt to the rapid changing of the climate, with temperatures becoming rapidly hotter and dropping just as fast, while the total lack of water would take away one of the reactants needed for photosynthesis, further lowering a plants chances for survival.
Environmental challenges that would affect a rainforest plant would be erosion, and climate change. Deserts are very sensitive when it comes to external changes to its environment, and if they already have very little rainfall, climate change could destroy plants as they would have nothing of the little resources they have to survive on. Erosion can destroy desert soil, and as it already takes a massive amount of time to grow plants, the total lack of soil could stop plant growth altogether.
11. Dragonflies are exothermic which means their bodies are warmed by their environment. They cannot easily warm their bodies themselves, so they stay warm by traveling to areas of warmth which might give reason as to why they perch in the obelisk pose. By flying, they can help regulate warmth throughout their bodies, and the obelisk posture on tree branches can ensure that they do not overheat and maintain proper body temperature.
Explanation:
Just took the test, these are correct.
How does the structure of an amino acid replicate to its function in cellular processes? Use the role of amino acids in the structure of proteins as supportive evidence
A protein's shape directly affects how well it works. For instance, a protein works as a protective protein or a structural protein if its structure is fibrous, as is the case with proteins like collagen and keratin. The protein becomes denatured and ceases to serve its intended purpose if the structure of the amino acids is altered in any way.
What are amino acids?Organic substances known as amino acids have both functional groups for amino and carboxylic acids. Alpha-amino acids, which make up proteins, are by far the most significant amino acids in nature, despite the fact that there are hundreds of other types. The genetic coding only contains 22 alpha amino acids. An organic compound is an amino acid. Carbon-hydrogen bonds are present in organic compounds. All amino acids share a similar fundamental structure. Each molecule has a core carbon atom that is joined to a hydrogen atom, a basic amino group, a carboxylic acid group, and an R-group, also known as a side-chain group.
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When a small piece of lung is placed in water, it floats. Why?
What is the arrow pointing to?
A. A covalent bond
B. An ionic bond
C. A triple bond
D. A hydrogen bond
Answer:
Hydrogen Bond
Explanation:
The molecules above have two positives molecules of the same size. One larger molecule that is negative. All other bonds are notated using a solid line. Hydrogen bonds are dotted lines because there are partial charges on the molecules.
Describe how mountains sides are naturally changed by the environment
Answer:
erosion and tectonic plated
More desert cottontail rabbits move into the ecosystem. Describe how the additional rabbits will affect the carrying capacity of the ecosystem for both coyotes and wild grasses.
Additional rabbits may affect the carrying capacity of the ecosystem for both coyotes and wild grasses because it may lead to the exploitation of the trophic level immediately below (i.e. grasses), affecting its equilibrium.
What is ecosystem homeostasis?The expression ecosystem homeostasis or ecosystem stability makes reference to the delicate internal equilibrium in which all trophic level can coexist in a food chain. A sudden increase of organisms in a trophic level may alter this equilibrium.
Therefore, we can conclude that an increase in the rabbit population may alter the ecosystem by affecting its homeostasis.
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PLS ANSWER FAST 50 POINTS
Sasha did an experiment to study the solubility of two substances. She poured 100 mL of water at 20 °C into each of two beakers labeled A and B. She put 50 g of Substance A in the beaker labeled A and 50 g of Substance B in the beaker labeled B. The solution in both beakers was stirred for 1 minute. The amount of substance left undissolved in the beakers was weighed. The experiment was repeated for different temperatures of water and the observations were recorded as shown.
Experimental Observations
Substance Mass of Undissolved Substance at Different Temperatures (gram)
20 °C 40 °C 60 °C 80 °C
A 12 11 9 8
B 45 40 34 31
Part 1: Which substance has a higher solubility?
Part 2: Explain your answer for Part 1.
Answer: The solubility of B is high than the solubility of A.
Explanation:
The solubility is defined as the amount of substance dissolved in a given amount of solvent. More the solute gets dissolved, high will be the solubility and less the solute dissolved, low will be the solubility.
For the given observations:
Mass of undissolved substance of substance A is more than Substance B at every temperature. This implies that less amount of solute gets dissolved in the given amount of solvent.
Hence, substance B has high solubility than substance A
It is an acute effect of a toxin in the lake
It is a chronic effect of a toxin in the lake.
It is a synergistic reaction to a toxin.
It is an antagonistic reaction to a toxin.
The correct answer is it is a chronic effect of a toxin in the lake.
A chronic effect is a negative effect on the human or animal body (in this case, the human body) with symptoms that appear gradually over a protracted period.
To put it simply, a chronic condition takes a long time to develop (every day of summer can be thought of as a long-developing time), whereas an acute condition would appear suddenly and quickly.
We also know it's not a synergistic interaction because if it were, Kris would have been subjected to the combined effects of two or more substances, and we don't have enough evidence to support that.
The fact that Kris was not exposed to the effects of two or more toxins rules out an antagonistic reaction to a toxin.
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Although part of your question is missing, you might be referring to this full question:
Kris spends every day of the summer swimming in the lake behind her grandparent's house. By the end of the summer, she is having daily dizzy spells, migraine headaches, and nausea. What can Kris infer about the possible source and reason for her illness?
How do each of the following contribute to genetic variation in offspring?
A) Crossing over
B) Random assortment of homologous chromosomes
C) Fertilization
Crossing over contributes to genetic information because this is when the homologous chromosomes exchange genetic information in prophase 1 .
The random assortment of homologous chromosomes helps sort and organize genetic information randomly to encourage genetic diversity .
- Fertilization contributes to genetic variation by bringing the two gametes together to give their set of genes .
PLS HELP
Write a minimum of three paragraphs to explain how your favorite organism demonstrates the eight characteristics of life.
WRITE USING THE BACTERIA CAUSE IT IS MY FAVORITE ORGANISM.
The bacteria demonstrates the eight characteristics of life as follows:
reproduction - bacteria reproduce by binary fissionheredity - the bacteria tranfers its genetic informatio to its daughter cellscellular organization - the cell of bacteria is aorgaized to perform several functionsgrowth and development - the bacteria grows and dividesresponse to stimuli - the bacteria responds to cahnges in its environment by for example growing in favorable conditions adaptation through evolution - the bacteria adapts to its envrionment by for example modifying ts DNAhomeostasis - the bacteria mantains a foatly constant internal environmentmetabolism - the bacteria metabolizes nutrients in its enviromjet.What are the eight characteristics of life?The characteristics of life are those characteristics possessed by organisms that make them live.
The eight characteristics of life are as follows:
reproductionhereditycellular organizationgrowth and developmentresponse to stimuliadaptation through evolutionhomeostasis, and metabolism.Organisms that possess these characteristics are able to continue living as their environment changes.
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What is ATP used for in cells?
Answer:
Energy Source ATP is the main carrier of energy used for all cellular activities.
Explanation: ATP stands for adenosine triphosphate, which is a biomolecule that is formed by the combination of three components a purine base (adenine), a sugar molecule (ribose), and three phosphate groups.
the lack of double bonds in phospholipids with saturated fatty acids allow them to pack together tightly, and therefore the membrane is fluid. kinks introduced by double bonds in lipids with unsaturated fatty acids prevent them from packing together tightly, and therefore the membrane is fluid.
The lack of double bonds in saturated fats allows them to pack together tightly, and therefore the membrane is less fluid. The presence of double bonds in unsaturated fats prevents them from packing together tightly, and therefore the membrane is more fluid.
Dietary fats include saturated fat. In addition to trans fat, it is one of the most harmful fats. At room temperature, these lipids are frequently solid. High quantities of saturated fat are found in foods like butter, cheese, red meat, palm and coconut oils, and butter.
Unsaturated fats, which are liquid at room temperature, are thought to be good fats because they have a number of advantages for well-being, including lower blood cholesterol levels, reduced inflammation, stable heart rhythms, and more. Unsaturated fat molecules can be connected by one, two, or three double or triple bonds. These fats exist as liquid oil at normal temperatures. At room temperature, these fats are liquid in the form of oil.
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What kinds of scientific investigations do
not involve experiments?
The experimental investigation does not involve involve experiments.
A "fair test" is a technique used in experimental studies that are devised, measured, and regulated to gather data in order to accept or reject a formal relationship.
A control group is included in all experimental studies; this group does not require or undergo any form of experimental treatment.
For instance, a student might investigate "Discuss the impact of light hue on plant growth?" In this experiment, the pupil changed the light's changeable color. The student may contrast red light, green light, and natural light.
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When might a therapist be required to violate confidentiality?
The client shares something that is of interest to a client's parents.
The client threatens to harm himself.
The client complains about a teacher at school.
There are no exceptions to confidentiality
A therapist might be required to violate confidentiality when the client threatens to harm himself.
Circumstances where a client threatens harm to themselves or others authorize a therapist to make a disclosure to an appropriate authority, be it the police or a family member. An exception may be made if the court solicits a psychologist to reveal confidential information without the consent of the individual.
Confidentiality is defined as a restriction on the volunteering of information outside of the courtroom setting, not to be confused with the concept of the psychotherapist-patient privilege. They apply to different possibilities and are addressed in different sections of law. The psychotherapist-patient privilege affords the holder of the patient the right to withhold testimony in a court of law.
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Answer:
B
Explanation:
Proteins are responsible for enzymatic reactions, help the body defend itself against harmful bacteria and parasites, and allow for physical movement. What is the most basic need in order for the human body to make proteins?.
Proteins are responsible for enzymatic reactions, help the body defend itself against harmful bacteria and parasites, and allow for physical movement. The most basic need in order for the human body to make proteins is amino acids.
Amino acids are key components of protein molecules and are utilized by the body to synthesize proteins.
There are thousands of amino acids, however, only 20 are crucial as our body needs them to function properly.
Nine out of 20 are known as essential amino acids while 11 are non-essential amino acids.
Essential amino acids - isoleucine, lysine, threonine, leucine, and valine are obtained from food we eat.
Our body does not store amino acids therefore we must consume nutrient-rich food to get enough supply of them.
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what determines the structure of a catalase molecule
Explanation:
The catalase reaction is independent on the substrate concentration. If you have an excess of enzyme but not substrate, the reaction will be limited by the substrate availability
Chimpanzees who had been reared by their mothers or by human surrogates watched a person use a tool in a specific way to procure food. When subsequently given the opportunity to use the tool to obtain food, _____ tried to use the tool, and the _____ group was more likely to demonstrate the specific technique.
chimpanzees raised by their parent tried to use the tool and the chimpanzees raised by human surrogates groups are more likely to demonstrate the technique if they are given the opportunity to use a toll after watching a person used the tool.
It is easier for the chimpanzees raised by a surrogate mother to carry out acts that have been performed in their presence since they have a human-chimpanzee bond and learn new things from the human environment. However, mother-raised chimps lack these relationships, making their actions seem weird in comparison. Because their upbringing will have a beneficial impact on their intelligence, chimpanzees raised by a surrogate mother will have more developed intellects than those reared by their moms.
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PLEASE HELP
5. Describe what is meant when we say a protein/enzyme is denatured.
6. Identify at least three factors that can denature proteins/enzymes.
7. Define enzyme and give two examples of enzymes and their functions in the human
body.
8. Describe what is meant by a structural protein and provide two examples in the human
body.
An enzyme is denatured when it loses its natural shape (5), which may occur in normal temperature, pH and ion concentration (6). An enzyme is a protein that catalyzes a reaction such as catalase and peroxidase, which work together to eliminate toxins (7). Moreover, structural proteins form cellular structures such as microtubules or actin filaments in the cytoskeleton (8).
What is an enzyme?An enzyme is a protein that may speed up the velocity of a reaction by lowering the activation energy required to carry out the conversion of reactants to the final reaction products in such reaction.
Conversely, structural proteins do not have enzymatic activity but they play a fundamental role to form cellular structures such as the actin filaments in the muscle cells, which are composed of key actin structural proteins.
Therefore, we can conclude that enzymes are non-structural proteins that can work to increase the speed of a chemical reaction, which is fundamental during metabolic activities.
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A bottle of tylenol children's liquid contains 24 doses, each measuring 5 ml. if one child receives 4 doses, what fractional part of the bottle does the child receive?
She/he consequently had four doses, or one-sixth of the 24 dosages in the bottle, out of the total. As a result, she/he got 1/6 of the entire bottle.
When are children given Tylenol?When treating children's fevers or relieving pain, pediatricians most usually advise using TYLENOL. Distinct from other painkillers and fever reducers, TYLENOL for kids works in a different way. Children's TYLENOL contains acetaminophen and is gentle on young stomachs. It is also available in a variety of kid-friendly flavors.
This child received four of the bottle's 24 dosages. The number of times that four equals 24 is then. She/he consequently had four doses out of the 24 total doses in the bottle, or one-sixth of the dosages. As a result, she/he got 1/6 of the entire bottle.
As a result, She/He was given 1/6 of the entire bottle.
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Melissa is a student studying biology at the university of michigan. She grew up in michigan, in a nearby town. Identify each person as either being a member of an in-group or out-group for melissa.
The persons that can be identified as an in-group for Melissa are: a current community college student with whom Melissa went to high school, her sister who is a student at Michigan State, a history major at the University of Michigan. The person that can be identified as an out-group for Melissa is: an Ohio State student who went to Melissa's rival high school in Michigan.
In the field of sociology, an in-group can be described as such a group that is recognized by a certain person and claims to be a part of that group. On the other hand, an out-group can be described as such a group that is not recognized by a person and is not a part of that group.
In the scenario above, Melissa's family members, her college fellows, and her university mates will be considered her in-group. On the other hand, as Melissa does not recognize every person from her rival university, hence they would be her outgroup.
Although a part of your question is missing, you might be referring to this question:
Melissa is a student studying biology at the University of Michigan. She grew up in Michigan, in a nearby town. Identify each person as either being a member of an in-group or out-group for Melissa.
a current community college student with whom Melissa went to high school.
an Ohio State student who went to Melissa's rival high school in Michigan
Her sister who is a student at Michigan State.
A history major at the University of Michigan.
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Place each object on the measurement tray , one at a time. which objects have a mass greater than 300 grams ? how do you know?
Place each object on the measurement tray, one at a time, objects like cubes have a mass greater than 300 grams leaving the pointer below the reference. I know that as to put weight on the other arms the pointer gets closer to the reference.
Using a three-arm scale, successive approximations are used to determine the weight of a body. Starting with the arm with the greatest mass (middle), weights are added to the second arm (above) to bring the pointer as close to zero as possible without going over, and when it is used, the arm with the lowest mass (below), masses are added until it reaches the reference. The three numbers are summed up after taking into account the total weight of all the jinetillos and the product of the jinetillo's position and the arm's accuracy.
The jinetillo is positioned in position 3 of the 100-arm structure in the provided example, making the weight 300 g of cubes.
The pointer must be inside or below the reference (zero) for the weight to be accurate. When an object weighs more than 300 g, the pointer drops below the reference; to get the proper weight, the other two arms must be used. The pointer approaches the reference as you shift weight to the other arms.
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The given question is incomplete. The complete question is:
How is a triple beam balance used to find mass?
1. Observe: The riders have masses of 10 grams (top), 100 grams (middle), and 1 gram (bottom). Drag the 100-gram rider to 300. At this position, it balances a 300-gram mass. What happens to the pointer?
2. Compare: Place each object on the measurement tray, one at a time. Which objects have a mass greater than 300 grams? How do you know?
Which is a requirement for a person to become a naturalized U.S. Citizen?
Answer:
Working in the US for 5 years
Which of the following statements about mining booms is true?
In a pond, the primary producer is a green alga, spirogyra; the primary consumer is the crustacean, daphnia; the secondary consumer is a small fish, the bluegill; and the tertiary consumer is a larger fish, the smallmouth bass. What changes can be expected in the pond if the daphnia are killed with pesticides?.
If the daphnia are killed by pesticides the population of fish in the pond will greatly decline
The primary consumers (daphnia and Crustaceans) derive energy directly from the producers. Once their population decrease, there will be a significant increase in the population of green algae and spirogyra.
This subsequently leads to oxygen reduction in the pond.he fishes will not have enough oxygen to survive
Also, There will not be enough food for the secondary producer to eat (as only crustacean remain). The secondary pconsumers will not have enough energy to pass down to tertiary consumers and this may lead to their death and potential decrease in their population.
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Substances like water have their own chemical formulas. What does a chemical formula tell you?
Answer: A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements. If only one atom of a specific type is present, no subscript is used. For atoms that have two or more of a specific type of atom present, a subscript is written after the symbol for that atom
Explanation:
even in siblings whose parents are same, difference in characters can be observed. how? class 10 cbse
Even in siblings whose parents are same, difference in characteristics because each parent have two different set of genes. they passes only one set of gene to the offspring and half that is pass down is random .
In an organism each characteristic is determine by the pair of genes. Each parent passes only one of the two gene of the pair for each characteristics to its offspring through gametes . These variations are necessary and are part of natural selection . variation in characteristic is important for the organism to adapt to various kind of environment and also helps in prevention of species from extinction .
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You can get mercury poisoning if you eat daily meals of tuna, a top predator. However, you can safely eat daily meals of sardines, which are primary consumers. What biological process explains this?.
Answer:
The trophic system
Explanation:
Because mercury is commonly released into the environment, it accumulates in ocean sediments and eventually enters the food chain. The reason you can eat sardines safely is because the are primary consumers also known as autotrophs or herbivores. Because sardines aren't predatory they never consume mercury in a quantity high enough to even enter the bloodstream. However, tunas are heterotrophs or carnivores (though heterotrophs can still be omnivorous) meaning that they often consume other primary consumers with high amounts of mercury in their bloodstreams as well.
How do fish stay alive when a lake or ocean freezes?
O The frozen ice sheets float on top of the water, providing insulation.
O The cohesive properties of water prevent the lake from freezing.
O The water molecules have adhesive properties.
O The ice sinks, giving the fish a way to escape the water.
The frozen ice sheets float on top of the water, providing insulation.
do fish stay alive when a lake or ocean freezes
How do fish endure in ice-covered water?Water does not freeze under the higher, ice-covered layer; it stays in its liquid state. In addition, oxygen is imprisoned beneath the ice. Fish and other aquatic creatures can thus dwell peacefully in the frozen lakes and ponds.
Only shallow water bodies will solidify because the ice acts as an insulator, delaying the cooling of the water below. Because there is constantly access to liquid water, even when it is quite cold, higher creatures like fish can thrive.
Fish in this resting condition move very little, their hearts slow down, and their requirements for food and oxygen diminish.
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A brown rooster is mated with a brown chicken and they have five offspring. Two are brown and three are white, which is a recessive trait. What is the most likely explanation for this? (5 points)
All of the white chickens carry a mutation.
Feather color is not hereditary.
Both parents carried the trait for white feathers.
Those chicks had less time to develop in the egg.
Answer:
I believe it is c. both parents carried the trait
Explanation:
I think its this because when youre using the square method and end up with a recessive trait that means both parents had to have carried that trait.
A student observes cells of a familiar species under a microscope analyze the observation the student recorded in the chart below. Which of the following observations support the students conclusion that the species is a prokaryote?
The absence of membrane-bound organelles is the most suitable observation to differentiate the cells.
This is due to the fact that membrane-bound organelles are present in all eukaryotes but not in prokaryotic cells. One of the many distinctions between eukaryotes and prokaryotes is this one.
Eukaryotes and prokaryotes also differ in other ways.
bacterial cells
There are only single-celled organisms known as prokaryotes.
The DNA in prokaryotes is circular.
Prokaryotes lack a nuclear structure.
There are no organelles with membrane-bound organelles.
Eukaryotic cells: Single- and multicellular organisms make up eukaryotes.
The DNA of eukaryotes is linear.
There is a nucleus in eukaryotes.
Organelles have connections to membranes.
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why is onion skin referred to as tissue?
Explanation:
The epidermis of the onion bulb is a single layer of tissue that is easy to separate. For this reason, onion peel is best for educational and experimental purposes to study the structure of plant cells. Due to the large size of onion cells, the cells can be examined under low magnification.