Question 1

Label the diagram using the word bank: NADPH, NADP, ATP, ADP + P, carbon dioxide, oxygen, carbohydrate, water. Briefly explain the significance of each item.
-H is _________.
H is ATP. ATP is produced during the Light Reactions and is hydrolyzed to produce carbohydrates in the Calvin Cycle. Incorrect

Accepted Answer

Answers: Water: Water is split in the li...

Question 2

Label the diagram using the word bank: NADPH, NADP, ATP, ADP + P, carbon dioxide, oxygen, carbohydrate, water. Briefly explain the significance of each item.
-C is _________.
C is carbon dioxide. Carbon dioxide is fixed to RuBP by RuBP carboxylase. It is then reduced to form carbohydrates. Incorrect

Accepted Answer

Answers: Water: Water is split in the li...

Question 3

Which of the following pairs is correct?

Accepted Answer

A)   C4 plants = bundle sheath cells contain chlorophyll
B)   C3 plants = bundle sheath cells contain chlorophyll
C)   CAM plants = epidermal cells that contain chlorophyll
D)   C4 plants = stoma that contain chlorophyllE) B) and D)
F) A) and B)

Question 4

Oxygen production in photosynthesis involves all of the following EXCEPT 22013

Accepted Answer

A)   photosystem one.
B)   photosystem two.
C)   splitting of water.
D)   light reactions.E) A) and D)
F) A) and C)

Question 5

forms a six-carbon molecule that immediately breaks down into two three-carbon PGA molecules.

Accepted Answer

A) True 
 B)False

Question 6

Label the diagram using the word bank: NADPH, NADP, ATP, ADP + P, carbon dioxide, oxygen, carbohydrate, water. Briefly explain the significance of each item.
-B is _________.
B is oxygen. The splitting of water during the light reactions releases oxygen into the atmosphere. It may be used by mitochondria for aerobic respiration. Incorrect

Accepted Answer

Answers: Water: Water is split in the li...

Question 7

If plants were only able to undergo the Calvin cycle, which of the following would NOT be true?

Accepted Answer

A)   Plants would not produce oxygen.
B)   Carbohydrate could still be produced but in much smaller quantities.
C)   More NADPH would be produced during the cyclic electron pathway.
D)   ATP production would decrease due to a smaller amount of H+ being available.E) B) and D)
F) A) and D)

Question 8

decreases cell carbon dioxide levels, which increases the diffusion gradient.

Accepted Answer

A) True 
 B)False

Question 9

Use what you know about photosynthesis and data gathered from analysis of this figure to support an argument for the preservation of rainforests.

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30"> Answers may vary. The burning of rainfo...

Question 10

Use the data provided to identify the lines on the graph as the absorption spectrums of chlorophyll a, chlorophyll b and the carotenoids.
Max. absorption of chlorophyll a - 430 & 662 nm
Max. absorption of chlorophyll b - 453 & 642 nm
Max. absorption of carotenoids - bimodal; approx. 450 & 490 nm

Accepted Answer

The answer of Use the data provided to identify the...

Question 11

Protons (H+)  accumulate in the thylakoid space during electron transport between photosystems I and II. The excess of protons in the thylakoid space

Accepted Answer

A)   enters the photorespiration pathway.
B)   converts NADP to NADPH and generates ATP in the process.
C)   is small enough to diffuse back out through the lipid bilayer.
D)   raises the pH of the space until the processes stop.
E)   moves from the thylakoid space to the stroma through an ATP synthase complex channel that generates ATP.F) A) and B)
G) B) and C)

Question 12

During the light reactions what structure is responsible for absorbing the solar energy?

Accepted Answer

A)   chloroplast
B)   stroma
C)   stoma
D)   bark of the treeE) C) and D)
F) B) and D)

Question 13

If the Calvin cycle uses three molecules of CO2 to produce six molecules of G3P (glyceraldehydes-3-phosphate) , but only one G3P molecule is used to form a carbohydrate molecule, what happens to the other carbons that were taken in?

Accepted Answer

A)   Any unused CO2 is released into the environment.
B)   The other five G3P molecules are used to regenerate more RuBP.
C)   Any unused G3P molecule is converted and stored as starch.
D)   The remaining five G3P molecules are used to reduce CO2.E) A) and B)
F) All of the above

Question 14

Why are plants green?

Accepted Answer

A)   They absorb only green wavelengths of light.
B)   They absorb only yellow and blue wavelengths of light.
C)   They reflect nearly all wavelengths of light.
D)   They reflect green wavelengths of light and absorb blue and red light.
E)   They reflect yellow and blue wavelengths of light.F) D) and E)
G) B) and D)

Question 15

Phosphoenylpyruvate carboxylase (PEPCase) fixes carbon dioxide(C1) to PEP(C3) to form oxaloacetate(C4) within mesophyll cells of the C-4 plants.

Accepted Answer

A) True 
 B)False

Exam 7: Photosynthesis

decreases cell carbon dioxide levels, which increases the diffusion gradient.

Correct Answer
verified

forms a six-carbon molecule that immediately breaks down into two three-carbon PGA molecules.

Correct Answer
verified

Oxygen production in photosynthesis involves all of the following EXCEPT 22013

Correct Answer
verified

Which of the following pairs is correct?

Correct Answer
verified

Correct Answer
verified
Answers: Water: Water is split in the li...
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Label the diagram using the word bank: NADPH, NADP, ATP, ADP + P, carbon dioxide, oxygen, carbohydrate, water. Briefly explain the significance of each item. -C is _________. C is carbon dioxide. Carbon dioxide is fixed to RuBP by RuBP carboxylase. It is then reduced to form carbohydrates. Incorrect

Correct Answer
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Answers: Water: Water is split in the li...
View Answer

Use the data provided to identify the lines on the graph as the absorption spectrums of chlorophyll a, chlorophyll b and the carotenoids. Max. absorption of chlorophyll a - 430 & 662 nm Max. absorption of chlorophyll b - 453 & 642 nm Max. absorption of carotenoids - bimodal; approx. 450 & 490 nm

Correct Answer
verified

Correct Answer
verified
Answers: Water: Water is split in the li...
View Answer

During the light reactions what structure is responsible for absorbing the solar energy?

Correct Answer
verified

Why are plants green?

Correct Answer
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If the Calvin cycle uses three molecules of CO₂ to produce six molecules of G3P (glyceraldehydes-3-phosphate) , but only one G3P molecule is used to form a carbohydrate molecule, what happens to the other carbons that were taken in?

Correct Answer
verified

Use what you know about photosynthesis and data gathered from analysis of this figure to support an argument for the preservation of rainforests.

Correct Answer
verified
Answers may vary. The burning of rainfo...
View Answer

Protons (H⁺) accumulate in the thylakoid space during electron transport between photosystems I and II. The excess of protons in the thylakoid space

Correct Answer
verified

If plants were only able to undergo the Calvin cycle, which of the following would NOT be true?

Correct Answer
verified

Phosphoenylpyruvate carboxylase (PEPCase) fixes carbon dioxide(C₁) to PEP(C₃) to form oxaloacetate(C₄) within mesophyll cells of the C-4 plants.

Correct Answer
verified

Exam 7: Photosynthesis

decreases cell carbon dioxide levels, which increases the diffusion gradient.

Correct AnswerverifiedShow Answer

forms a six-carbon molecule that immediately breaks down into two three-carbon PGA molecules.

Correct AnswerverifiedShow Answer

Oxygen production in photosynthesis involves all of the following EXCEPT 22013

Correct AnswerverifiedShow Answer

Which of the following pairs is correct?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedAnswers: Water: Water is split in the li...View AnswerShow Answer

Correct AnswerverifiedAnswers: Water: Water is split in the li...View AnswerShow Answer

Use the data provided to identify the lines on the graph as the absorption spectrums of chlorophyll a, chlorophyll b and the carotenoids. Max. absorption of chlorophyll a - 430 & 662 nm Max. absorption of chlorophyll b - 453 & 642 nm Max. absorption of carotenoids - bimodal; approx. 450 & 490 nm

Correct AnswerverifiedShow Answer

Correct AnswerverifiedAnswers: Water: Water is split in the li...View AnswerShow Answer

During the light reactions what structure is responsible for absorbing the solar energy?

Correct AnswerverifiedShow Answer

Why are plants green?

Correct AnswerverifiedShow Answer

If the Calvin cycle uses three molecules of CO2 to produce six molecules of G3P (glyceraldehydes-3-phosphate) , but only one G3P molecule is used to form a carbohydrate molecule, what happens to the other carbons that were taken in?

Correct AnswerverifiedShow Answer

Use what you know about photosynthesis and data gathered from analysis of this figure to support an argument for the preservation of rainforests.

Correct Answerverified Answers may vary. The burning of rainfo...View AnswerShow Answer

Protons (H+) accumulate in the thylakoid space during electron transport between photosystems I and II. The excess of protons in the thylakoid space

Correct AnswerverifiedShow Answer

If plants were only able to undergo the Calvin cycle, which of the following would NOT be true?

Correct AnswerverifiedShow Answer

Phosphoenylpyruvate carboxylase (PEPCase) fixes carbon dioxide(C1) to PEP(C3) to form oxaloacetate(C4) within mesophyll cells of the C-4 plants.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Answers: Water: Water is split in the li...
View Answer

Correct Answer
verified
Answers: Water: Water is split in the li...
View Answer

Correct Answer
verified

Correct Answer
verified
Answers: Water: Water is split in the li...
View Answer

Correct Answer
verified

Correct Answer
verified

If the Calvin cycle uses three molecules of CO₂ to produce six molecules of G3P (glyceraldehydes-3-phosphate) , but only one G3P molecule is used to form a carbohydrate molecule, what happens to the other carbons that were taken in?

Correct Answer
verified

Correct Answer
verified
Answers may vary. The burning of rainfo...
View Answer

Protons (H⁺) accumulate in the thylakoid space during electron transport between photosystems I and II. The excess of protons in the thylakoid space

Correct Answer
verified

Correct Answer
verified

Phosphoenylpyruvate carboxylase (PEPCase) fixes carbon dioxide(C₁) to PEP(C₃) to form oxaloacetate(C₄) within mesophyll cells of the C-4 plants.

Correct Answer
verified