Bio 121 Test 2 Chapter 3 & 4 MASTERING BIOLOGY
The chemical reactions of photosynthesis occur in which cellular organelle? A) Nucleus B) Mitochondria C) Ribosomes D) Chloroplasts
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What is the role of oxygen in cellular respiration? Oxygen provides high-energy electrons for transfer to glucose. Oxygen accepts high-energy electrons after they are stripped from glucose. Oxygen is required to convert ADP to ATP. Oxygen is involved in the initial breakdown of glucose to pyruvic acid.
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What is ATP? A) An energy molecule B) An information storage molecule C) A protein D) A carbohydrate
A) An energy molecule
In what ways are chloroplasts similar to mitochondria? A) Both organelles provide energy to the cell. B) Both release O2 as a waste product. C) Both require a supply of water and carbon dioxide. D) There is only one mitochondrion or one chloroplast per cell.
A) Both organelles provide energy to the cell.
What is the correct general equation for cellular respiration? A) C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + ATP energy B)C6H12O6 + 6 H2O → 6 CO2 + 6 O2 + ATP energy C) C6H12O6 + 6 CO2 → 6 O2 + 6 H2O + ATP energy D) 6 O2 + 6 H2O + ATP energy → C6H12O6 + 6 CO2 E) 6 CO2 + 6 H2O + ATP energy → C6H12O6 + 6 O2
A) C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + ATP energy
What is the role of chlorophyll in photosynthesis? A) Chlorophyll captures energy from sunlight. B) Chlorophyll captures CO2 from the atmosphere. C) Chlorophyll cements the thylakoids into stacks called grana. D) Chlorophyll reacts with O2 to produce CO2.
A) Chlorophyll captures energy from sunlight.
Which of the following is not located in the nucleus? A) Endoplasmic reticulum B) DNA C) Chromosomes D) Nucleolus
A) Endoplasmic reticulum
Identify the stage (or stages) of cellular respiration that occurs entirely outside of the mitochondria. A) Glycolysis B) Citric acid cycle C) Electron transport chain D) All of these
A) Glycolysis
Identify the stage of cellular respiration when glucose is split into two molecules of pyruvic acid. A) Glycolysis B) Calvin cycle C) Electron transport chain D) Citric acid cycle
A) Glycolysis
Where does cellular respiration occur? A) In the mitochondria B) In the airways of the respiratory system C) In the chloroplasts D) In the nucleus
A) In the mitochondria
What is the role of light in photosynthesis? A) It energizes electrons. B) It splits ATP molecules, which generates energy. C) It fixes carbon. D) It is the source for electrons.
A) It energizes electrons.
Identify the role of water in photosynthesis. A) It is the initial electron releaser when split. B) It is the final electron acceptor. C) It is a waste product in the light reactions. D) It is split to form sugar.
A) It is the initial electron releaser when split.
What passes through the nuclear pores? A) RNA B) DNA and RNA C) DNA D) None of these
A) RNA
What molecule(s) link the light reactions (stage 1 of photosynthesis) to the Calvin cycle (stage 2 of photosynthesis)? A) The electron shuttles (ATP and NADPH) B) The oxygen and carbon dioxide molecules C) The sugars D) The water
A) The electron shuttles (ATP and NADPH)
What is the role of the histone proteins of the chromatin? A) They act as a spool around which the DNA is wrapped. B) They maintain the nuclear membrane. C) They contain the instructions to build a protein. D) They help assemble ribosomes.
A) They act as a spool around which the DNA is wrapped.
Where do the electrons that are excited by the energy in sunlight first come from? A) Water B) Sugar C) NADPH D) ATP
A) Water
Which of the following best describes the chemical equation for photosynthesis? A) Water + Carbon dioxide + Energy = Sugar + Oxygen B) Carbon dioxide + Sugar + Energy = Oxygen + Water C) Oxygen + Water + Carbon dioxide = Sugar + Energy D) Oxygen + Sugar = Water + Carbon dioxide + Energy
A) Water + Carbon dioxide + Energy = Sugar + Oxygen
Can energy be harvested by the cells from glucose without oxygen? A) Yes, but much less than with oxygen. B) Yes, but not quite as much as with oxygen. C) No, oxygen is required to harvest any energy from glucose. D) Yes, about as much as with oxygen.
A) Yes, but much less than with oxygen.
Final protein refinements, storage, and packaging occurs ________. A) in the Golgi apparatus. B) in the cytoplasm. C) in the smooth endoplasmic reticulum. D) in the rough endoplasmic reticulum.
A) in the Golgi apparatus.
Cellular respiration requires fuel (glucose) and oxygen gas. The main process that produces these inputs is _____. A) photosynthesis B) glycolysis C) electron transport D) the Citric Acid cycle
A) photosynthesis
NADH and FADH 2 are important in cellular respiration because they deliver high-energy electrons to the electron transport system. Electron transport produces _____ ATP molecule(s) per NADH molecule and _____ ATP molecules(s) per FADH 2 molecule. A) three ... two B) two ... three C) one ... one D) zero ... zero
A) three ... two
Identify the role of carbon dioxide in photosynthesis. A)It is split to become incorporated into sugars. B)It is split to release electrons. C) It is the final electron acceptor. D) It is a by-product.
A)It is split to become incorporated into sugars.
Predict what would happen as the entropy of a system approached 100%. A)Randomness would become maximized. B)Order would become maximized. C)Heat would decrease. D)All motion would stop.
A)Randomness would become maximized.
Which statement describes the citric acid cycle? A) This process produces some ATP and carbon dioxide in the mitochondrion. B) This process splits glucose in half and produces 2 ATPs for each glucose. C) This process joins 2 pyruvic acid molecules into a molecule of glucose. D) This process uses energy captured from electrons flowing to oxygen to produce most of the ATPs in cellular respiration. E) This process converts pyruvic acid to acetyl CoA.
A)This process produces some ATP and carbon dioxide in the mitochondria.
Unlike the Citric Acid cycle and electron transport, glycolysis occurs _____. A)in the cytoplasm B) directly on the surface of the mitochondrial membrane C) within the mitochondrial membrane D) within the cell nucleus
A)in the cytoplasm
What is the chemical equation for glucose? A) C2H4O2 B) C6H12O6 C) C4H8O4 D) C8H16O8
B) C6H12O6
Which of the following statements is correct regarding chromosomes? A) Chromosomes are strands of RNA, tightly wrapped up, that are in the cytoplasm. B) Chromosomes are strands of DNA, tightly wrapped up, that are located in the nucleus. C) Chromosomes are strands of DNA, tightly wrapped up, that are located everywhere in the cell. D) Chromosomes are strands of RNA, loosely wrapped up, that are located everywhere in the cell.
B) Chromosomes are strands of DNA, tightly wrapped up, that are located in the nucleus.
What is a photosystem? A) A leaf or any green part of the plant B) Clusters of pigments and proteins that capture light energy C) Stacks of thylakoids D) Double-membrane organelle containing thylakoids
B) Clusters of pigments and proteins that capture light energy
Which of the following statements is typically false? A) DNA to RNA is called transcription. B) DNA contains the same nucleotides as RNA. C) RNA to protein is called translation. D) DNA is double stranded, whereas RNA is single stranded.
B) DNA contains the same nucleotides as RNA.
How is DNA linked to the production of proteins? A) Proteins hold the instructions on how to make DNA. B) DNA holds the instructions for the cells on how to make proteins. C) DNA is the end point of protein production that allows cells to finish making proteins. D) DNA is not linked to the production of proteins.
B) DNA holds the instructions for the cells on how to make proteins.
Which of the following statements is correct regarding DNA and RNA? A) DNA and RNA both stay in the nucleus after being produced. B) DNA remains in the nucleus at all times; RNA is produced in the nucleus but then leaves the nucleus. C) DNA and RNA both leave the nucleus after being produced. D) RNA remains in the nucleus at all times; DNA is produced in the nucleus but then leaves the nucleus.
B) DNA remains in the nucleus at all times; RNA is produced in the nucleus but then leaves the nucleus.
Which stage of cellular respiration requires oxygen that you breathe? A) Glycolysis B) Electron transport chain C) Citric acid cycle D) All of the above
B) Electron transport chain
How do we know green light is not absorbed by chlorophyll? A) Not enough of the green light penetrates the ozone layer and makes it to the plant. B) Green light is the wavelength of light that is reflected instead of absorbed by the chloroplasts. C) Green light does not have enough energy to excite an electron in the photosystem. D) Green light has such a small wavelength that most of it goes straight through the leaves without interacting with the chlorophyll.
B) Green light is the wavelength of light that is reflected instead of absorbed by the chloroplasts.
What is the role of the ribosome in protein production? A) It reads the DNA to make an RNA molecule. B) It is where proteins are made. C) It folds the protein into the correct shape. D) It has no direct role in protein production.
B) It is where proteins are made.
What happens to the ATP molecule after it has been used to do work? A) It is split into two molecules of pyruvic acid. B) It loses a phosphate group and is converted to ADP. C) It breaks down into carbon dioxide and water. D) It is completely destroyed.
B) It loses a phosphate group and is converted to ADP.
Which organelle functions to break down and recycle large molecules? A) Ribosome B) Lysosome C) Chloroplast D) Golgi apparatus
B) Lysosome
What harvests energy from food molecules to make ATP? A) Lysosome B) Mitochondria C) Nucleus D) Chloroplasts
B) Mitochondria
Which of the following is a waste product of photosynthesis? A) H2O B) O2 C) CO2 D) All of the above
B) O2
Which stage of photosynthesis, if any, can function in the dark? A) Stage 1 (the light reactions) B) Stage 2 (the Calvin cycle) C) Both Stage 1 and Stage 2 D) Neither Stage 1 nor Stage 2
B) Stage 2 (the Calvin cycle)
Name the fluid-filled interior of the chloroplast. A) Thylakoids B) Stroma C) Grana D) None of these
B) Stroma
The purpose of the Calvin cycle is to produce ________. A) ATP B) Sugar C) O2 D) CO2
B) Sugar
Which reaction represents cellular respiration? A) O2 + CO2 → Sugar + H2O + ATP B) Sugar + O2 → CO2 + H2O + ATP C) CO2 + H2O + ATP → Sugar + O2 D) H2O + ATP → CO2 + Sugar
B) Sugar + O2 → CO2 + H2O + ATP
Which reaction represents cellular respiration? A) Carbon dioxide + Water + ATP → Sugar + Oxygen B) Sugar + Oxygen → Carbon dioxide+ Water + ATP C) Oxygen + Carbon dioxide → Sugar + Water + ATP D) Water + ATP → Carbon dioxide + Sugar
B) Sugar + Oxygen → Carbon dioxide+ Water + ATP
Why does yogurt taste sharp? A) The taste is from the large amount of carbon dioxide it contains, and carbon dioxide tastes sharp. B) The taste is from the lactic acid it contains, and acids taste sharp. C) The taste is from the small amount of alcohol it contains, and alcohol tastes sharp. D) It has not been aged long enough to mellow.
B) The taste is from the lactic acid it contains, and acids taste sharp.
Human red blood cells do NOT have mitochondria. How do these cells produce ATP? A) They use the fermentation of glucose to ethanol and CO2. B) They use glycolysis. C)They use glycolysis and electron transport. D) They use the citric acid cycle.
B) They use glycolysis.
What is the main purpose of cellular respiration? A) To produce oxygen B) To produce ATP C) To produce carbon dioxide D) To produce sugars
B) To produce ATP
Which of the following statements is true? A) Transcription and translation both occur in the nucleus. B) Transcription occurs in the nucleus, and translation occurs in the cytoplasm. C) Transcription and translation both occur in the cytoplasm. D) Transcription occurs in the cytoplasm, and translation occurs in the nucleus.
B) Transcription occurs in the nucleus, and translation occurs in the cytoplasm.
Glycolysis is the multi-step breakdown of _____. Several different _____ play a role in this process. A) pyruvic acid ... sugars B) glucose ... enzymes C) ATP ... complex carbohydrates D) glucose ... organelles
B) glucose ... enzymes
Which of the following processes takes place in the cytosol of a eukaryotic cell? A)acetyl CoA formation B) glycolysis C) ATP production by ATP synthase D) electron transport chain E) citric acid cycle
B) glycolysis
Select the correct sequence of steps as energy is extracted from glucose during cellular respiration . A) glycolysis → citric acid cycle → acetyl CoA → electron transport chain B) glycolysis → acetyl CoA → citric acid cycle → electron transport chain C)electron transport chain → citric acid cycle → glycolysis → acetyl CoA D) citric acid cycle → electron transport chain → glycolysis → acetyl CoA E) acetyl CoA → citric acid cycle → electron transport chain → glycolysis
B) glycolysis → acetyl CoA → citric acid cycle → electron transport chain
Respiration is called aerobic because ________. A) it happens in the absence of oxygen B) it requires oxygen C) It happens in mitochondria D) it requires carbon dioxide
B) it requires oxygen
What kinds of molecules can be used as metabolic fuel to produce ATP? See Section 4.10 ( page 76) . A) sugars and fatty acids B) sugars, amino acids, and fatty acids C) water, sugars, and amino acids D)amino acids, fatty acids, and CO2
B) sugars, amino acids, and fatty acids
In electron transport, high-energy electrons "fall" to oxygen through a series of reactions. The energy released is used to _____. A)synthesize ATP directly. B) transport protons into the intermembrane space of the mitochondria, where they become concentrated. They then flow back out into the the inner compartment (matrix) of the mitochodria. On the way back, protons turn ATP synthase turbines and produce ATP. C) transport electrons out of the mitochondria, resulting in ATP production. D) move phosphate groups into the mitochondria. When they reach a high enough concentration, they spontaneously join with ADP to form ATP.
B) transport protons into the intermembrane space of the mitochondria, where they become concentrated. They then flow back out into the the inner compartment (matrix) of the mitochodria. On the way back, protons turn ATP synthase turbines and produce ATP.
Which processes can be carried out by consumers? A) Only photosynthesis B)Only cellular respiration C) Both photosynthesis and cellular respiration D) Neither photosynthesis nor cellular respiration
B)Only cellular respiration
What is heat energy? A) the energy absorbed when work occurs B)the kinetic energy of moving atoms and molecules C)potential energy D) entropy
B)the kinetic energy of moving atoms and molecules
Predict how many molecules of carbon dioxide are produced from the mitochondrial "burning" of one molecule of glucose? A) 12 B) 1 C) 6 D)Not enough information provided
C) 6
Which of the following is a common energy currency in living cells that powers most living organisms? A) Sunlight B) Phosphate C) ATP D) Heat
C) ATP
The food you eat is processed during cellular respiration to produce stored chemical energy in the form of __________, __________, and __________ as by products. A) sugar; CO2; water B) water; ATP; CO2 C) ATP; CO2; water D) ATP; O2; water
C) ATP;CO2;water
Which processes can be carried out by producers? A) Only photosynthesis B) Only cellular respiration C) Both photosynthesis and cellular respiration D) Neither photosynthesis nor cellular respiration
C) Both photosynthesis and cellular respiration
How does ATP release energy that can be used by living cells? A) By being exposed to body heat B) By being exposed to sunlight C) By breaking a bond within an ATP molecule D) By adding more phosphate groups to itself
C) By breaking a bond within an ATP molecule
Which process produces glyceraldehyde 3-phosphate (3GP)? A) Fermentation B) Citric acid cycle C) Calvin cycle D) Glycolysis
C) Calvin cycle
We use energy in many ways. Describe one thing we cannot do to energy. A) Store it. B) Waste it. C) Destroy it. D) Convert it.
C) Destroy it
When would chromatin be the most tightly coiled? A) During cellular respiration B) During photosynthesis C) During cell division D) During protein synthesis
C) During cell division
Identify the role of oxygen in photosynthesis. A) It is the initial electron releaser. B) It is the final electron acceptor. C) It is a waste product in the light reactions. D) It is split to form sugar.
C) It is a waste product in the light reactions.
The cytoskeleton has several primary functions. The first and most obvious is it acts as an interior skeleton that supports the rest of the cell. What is another function of the cytoskeleton? A) It creates a durable outer covering to increase the strength and rigidity of the cell. B) It provides a communication network where chemo-electrical signals can be sent from one area of the cell to another. C) It provides a series of tracks along which vesicles can move throughout the cell. D) It connects one cell to another.
C) It provides a series of tracks along which vesicles can move throughout the cell.
Do only plants have vacuoles? A) Yes, only plants cells have vacuoles. B) No, other organisms, such as certain types of fungi and protists, have vacuoles that serve the same function as in plant cells. C) No, other organisms, such as certain types of fungi and protists, have vacuoles that serve different functions.
C) No, other organisms, such as certain types of fungi and protists, have vacuoles that serve different functions.
Alcohol is a waste product produced by yeast in the presence of sugar and the absence of ________. A) CO2 B) H2O C) O2 D) ATP
C) O2
Where are ribosomes located? A) On the rough endoplasmic reticulum only B) On the smooth endoplasmic reticulum and in the cytoplasm C) On the rough endoplasmic reticulum and in the cytoplasm D) In the cytoplasm only
C) On the rough endoplasmic reticulum and in the cytoplasm
Water behind a dam has a certain amount of stored energy that can be released as the water falls over the top of the dam. It may be enough energy to turn a mill wheel or an electricity-generating turbine. Choose the term that best describes the type of energy stored in the water at the top of the dam. A) Chemical B) Kinetic C) Potential D) Radiant
C) Potential
Which one of the following statements is correct? A) CO2 and H2O are the outputs of photosynthesis and the inputs of cellular respiration. B) CO2 and H2O are the inputs of photosynthesis and also the inputs of cellular respiration. C) Sugar and oxygen gas are the outputs of photosynthesis and the inputs of cellular respiration. D) Sugar and oxygen gas are the inputs of photosynthesis and the outputs of cellular respiration.
C) Sugar and oxygen gas are the outputs of photosynthesis and the inputs of cellular respiration.
Select the ultimate source of energy for nearly every organism on this planet. A) Plants B) Sugars C) The sun D) Heat
C) The sun
How does yeast make bread dough rise? A) The yeast cells produce oxygen gas. B) Yeast cells produce lactic acid that swells proteins in the dough. C) The yeast cells produce CO2. D) The yeast produces ethanol that evaporates and makes the dough rise.
C) The yeast cells produce CO2.
Chloroplasts and mitochondria share something with the nucleus that the other organelles do not. What is this shared characteristic? A) They are the only organelles not found in bacteria. B) They are the only organelles wrapped in a lipid-based membrane. C) They are the only organelles that contain DNA. D) They are the only organelles that produce ATP.
C) They are the only organelles that contain DNA.
Where do the molecules used as the inputs of the Calvin cycles (ATP and NADPH) come from? A) They come from the air. B) They come from the sun. C) They come from the light reactions. D) They come from previous Calvin cycles.
C) They come from the light reactions.
If you could track all of the carbon atoms that are present in a sugar molecule that undergoes cellular respiration, where would those carbon atoms end up? A) They would become part of ATP. B) The carbon atoms from glucose would still be inside the cell. C) They would be converted to carbon dioxide. D) It would be recycled through the citric acid cycle.
C) They would be converted to carbon dioxide.
How does CO2 enter a plant? A) Through the roots B) Through the stroma C) Through the stomata D) Through the grana
C) Through the stomata
Identify the principal role of photosynthesis. A) To convert kinetic energy into the chemical energy of sugars B) To convert the chemical energy of sugars into the chemical energy that fuels life's processes C) To convert solar energy into the chemical energy of sugars D) To convert the chemical energy of sugars into heat to maintain an elevated body temperature
C) To convert solar energy into the chemical energy of sugars
Identify the principal role of cellular respiration. A) To convert kinetic energy into the chemical energy of sugars B) To convert the chemical energy of sugars into heat to maintain an elevated body temperature C) To convert the chemical energy of sugars into the chemical energy that fuels life's processes D) To convert solar energy into the chemical energy of sugars
C) To convert the chemical energy of sugars into the chemical energy that fuels life's processes
Ribosomes are directly associated with which process? A) Replication B) Translocation C) Translation D) Transcription
C) Translation
What is the main by-product of cellular respiration? A) Sugars B) Oxygen C) Water D) ATP
C) Water
The long extension of a cell that can propel a cell forward by whipping back and forth (such as human sperm) is called a ________. A) pilus B) cilium C) flagellum D) vesicle
C) flagellum
Cellular respiration accomplishes two major processes: (1) it breaks glucose down into smaller molecules, and (2) it harvests the chemical energy released and stores it in ATP molecules. By the end of _____, the breakdown of glucose is complete; most ATP molecules are produced during _____. A) glycolysis ... the Citric Acid cycle B) the Citric Acid cycle ... glycolysis C) the Citric Acid cycle ... electron transport D) electron transport ... glycolysis
C) the Citric Acid cycle ... electron transport
What is/are the most important output(s) of glycolysis? A) two net ATP molecules B) four net ATP molecules C) two pyruvic acid and two NADH molecules D) carbon dioxide E) one glucose molecule
C) two pyruvic acid and two NADH molecules
Choose the pencil that has the lowest potential energy. A)A pencil hitting the ground after falling from your desk B) A pencil on your desk C)A pencil laying on the ground D)A pencil falling from your desk
C)A pencil laying on the ground
Which of the following statements about heat is false? A)It is a form of kinetic energy. B)It can be a measurement of the inefficiency of an energy conversion. C)It is a highly organized form of energy. D)It increases the amount of entropy of the system.
C)It is a highly organized form of energy.
Organize the following steps of the light reaction in order. A) Absorb sunlight, capture energy in ATP and NADPH, split water to release electron, produce oxygen as a by-product B) Absorb sunlight, capture energy in ATP and NADPH, produce oxygen as a by-product, split water to release electron C) Absorb sunlight, produce oxygen as a by-product, split water to release electron, capture energy in ATP and NADPH D) Absorb sunlight, split water to release electron, produce oxygen as a by-product, capture energy in ATP and NADPH
D) Absorb sunlight, split water to release electron, produce oxygen as a by-product, capture energy in ATP and NADPH
Which of the following can carry out photosynthesis? A) Bacteria B) Plants C) Seaweeds D) All of the above can carry out photosynthesis
D) All of the above can carry out photosynthesis
Plastids are storage organelles. A chloroplast is a type of plastid. What does a chloroplast store? A) Electrons B) Energy C) Carbon D) Chlorophyll
D) Chlorophyll
During which stage of cellular respiration is the majority of the ATP produced? A) Fermentation B) Citric acid cycle C) Glycolysis D) Electron transport chain
D) Electron transport chain
Which is the correct pathway of a protein through a cell as it is being made? A) Nucleus, ribosome, Golgi apparatus B) Golgi apparatus, ribosome, rough endoplasmic reticulum C) Nucleus, smooth endoplasmic reticulum, Golgi apparatus D) Golgi apparatus, ribosome, mitochondria
D) Golgi apparatus, ribosome, mitochondria
What is the role of chloroplasts in animals? A) Carry out photosynthesis B) Produce ATP C) Produce sugars D) None, as animals do not have chloroplasts
D) None, as animals do not have chloroplasts
Which one of the following statements is correct? A) Both plants and animals perform photosynthesis within chloroplasts and cellular respiration within mitochondria. B) Only plants perform photosynthesis within chloroplasts and only animals perform cellular respiration within mitochondria. C) Animals perform photosynthesis within chloroplasts and perform cellular respiration within mitochondria. D) Plants perform photosynthesis within chloroplasts and perform cellular respiration within mitochondria.
D) Plants perform photosynthesis within chloroplasts and perform cellular respiration within mitochondria.
What is the definition of energy? A) The amount of order in a system B) Particles moving in waves through a system C) The movement of an object D) The capacity to do work
D) The capacity to do work
Why do some leaves change color (red, yellow, orange, etc.) in the fall? A) The chlorophyll molecule is modified to absorb different wavelengths of light. B) Cold weather denatures the chlorophyll molecule and it begins to reflect different colors. C) Because the leaves are dead. D) The chlorophyll molecule breaks down and other pigments now become visible.
D) The chlorophyll molecule breaks down and other pigments now become visible.
Yeast is used to produce beer and wine but can also make bread rise. All of these processes involve the production of alcohol. Explain why you can eat bread and not get drunk. A) The amount of alcohol produced is too small to be noticeable. B) The bread-making process produces ethyl alcohol, not isopropyl alcohol. C) The bread-making process produces isopropyl alcohol, not ethyl alcohol. D) The heat of cooking bakes out the alcohol.
D) The heat of cooking bakes out the alcohol.
Explain how molecules other than glucose can be used as energy sources. A) They can't; cellular respiration is limited to glucose. B) Fats, proteins, and other carbohydrates are similar enough to glucose that they utilize the same metabolic pathway without any modifications. C) They have their own unique metabolic pathways. D) They are modified first and then enter the same metabolic pathway as glucose.
D) They are modified first and then enter the same metabolic pathway as glucose.
What is the main function of the nucleus? A)To produce proteins B) To hold all of the RNA C) To produce energy D) To hold all of the DNA
D) To hold all of the DNA
Which part(s) of cellular respiration require(s) oxygen gas? the Citric Acid cycle the electron transport A) chain B) glycolysis C) a, b, and c D) a and b, but not c
D) a and b, but not c
In what organelle would you find acetyl CoA formation, the citric acid cycle, and the electron transport chain? A) nucleus B) lysosome C) chloroplast D) mitochondrion E) Golgi apparatus
D) mitochondrion
The bulk of a plant is made from ________. A) sugars from the soil obtained by the roots of a plant B) oxygen absorbed by the pores in leaves C) minerals from the soil obtained by the roots of a plant D) the sugars made in photosynthesis, which were made from carbon dioxide
D) the sugars made in photosynthesis, which were made from carbon dioxide
Which part(s) of cellular respiration take(s) place in the mitochondria? A)the Citric Acid cycle B) glycolysis C)the electron transport chain D)the Citric Acid cycle and the electron transport chain E)All of the above.
D)the Citric Acid cycle and the electron transport chain
Which statement describes glycolysis? A) This process uses energy captured from electrons flowing to oxygen to produce most of the ATPs in cellular respiration. B) This process produces some ATP and carbon dioxide in the mitochondrion. C) This process converts pyruvic acid to acetyl CoA. D) This process joins 2 pyruvic acid molecules into a molecule of glucose. E) This process splits glucose in half and produces 2 ATPs for each glucose.
E) This process splits glucose in half and produces 2 ATPs for each glucose.
The nuclear envelope of animal cells has nuclear pores while the nuclear envelope of plant cells does not. True or False?
False
LOOK AT DIAGRAM ON QUESTION 38-39
LOOK AT DIAGRAM ON QUESTION 38-39
LOOK AT QUESTION 16 MB CH4
LOOK AT QUESTION 16 MB CH4
LOOK AT QUESTION 57-58 ON MB
LOOK AT QUESTION 57-58 ON MB
LOOK AT QUESTIONS 33-34 ON 3/4 MB HAVE PIC THAT CANT INSERT
LOOK AT QUESTIONS 33-34 ON 3/4 MB HAVE PIC THAT CANT INSERT
LOOK AT QUESTIONS 53-55 ON MB
LOOK AT QUESTIONS 53-55 ON MB
REVIEW CHAPTER 4 QUESTION #25-27
REVIEW CHAPTER 4 QUESTION #25-27
REVIEW CHAPTER 4 QUESTION 47-48
REVIEW CHAPTER 4 QUESTION 47-48