Question 1

What does a CAM plant do with the malate produced by its C4 pathway?

Accepted Answer

A)  distribute it to bundle sheath cells 
B)  store it in the central vacuole 
C)  use it immediately 
D)  store it in the stroma 
A)  distribute it to bundle sheath cells 
B)  store it in the central vacuole 
C)  use it immediately 
D)  store it in the stroma B

Question 2

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions.
-requires G3P to continue

Accepted Answer

A) only light reactions 
B) only the Calvin cycle 
C) both light reactions and the Calvin cycle 
D) neither the light reactions nor the Calvin cycle 
A) only light reactions 
B) only the Calvin cycle 
C) both light reactions and the Calvin cycle 
D) neither the light reactions nor the Calvin cycle B

Question 3

What is the reason we call "fossil fuels" as such?

Accepted Answer

A)  They are the remnants of fuels. 
B)  They are the remnants of fossils. 
C)  They are the remnants of ancient forests. 
D)  They are the remnants of modern forests. 
A)  They are the remnants of fuels. 
B)  They are the remnants of fossils. 
C)  They are the remnants of ancient forests. 
D)  They are the remnants of modern forests. C

Question 4

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions.
-requires glucose

Accepted Answer

A) only light reactions 
B) only the Calvin cycle 
C) both light reactions and the Calvin cycle 
D) neither the light reactions nor the Calvin cycle 
A) only light reactions 
B) only the Calvin cycle 
C) both light reactions and the Calvin cycle 
D) neither the light reactions nor the Calvin cycle

Question 5

What is the purpose of the C4 pathway?

Accepted Answer

A)  It is more efficient than the Calvin cycle because less ATP is consumed in the process. 
B)  It replaces the carbon fixation stage of the Calvin cycle. 
C)  It supplements the activity of rubisco by providing a second source of 3PGA for the reduction stage of the Calvin cycle. 
D)  It ensures that CO2 is provided to rubisco and thus prevents photorespiration. 
A)  It is more efficient than the Calvin cycle because less ATP is consumed in the process. 
B)  It replaces the carbon fixation stage of the Calvin cycle. 
C)  It supplements the activity of rubisco by providing a second source of 3PGA for the reduction stage of the Calvin cycle. 
D)  It ensures that CO2 is provided to rubisco and thus prevents photorespiration.

Question 6

Which of these molecules is a major product of the Calvin cycle?

Accepted Answer

A)  ATP 
B)  CO2 
C)  rubisco 
D)  G3P 
A)  ATP 
B)  CO2 
C)  rubisco 
D)  G3P

Question 7

Imagine that you are studying two basic cellular reactions: cellular respiration and photosynthesis. You have no other means to determine which one is going on but to isolate and identify two of the electron carriers involved: NAD+ and NADP+. How would these two carriers help you distinguish which cellular reaction is going on?

Accepted Answer

A)  Photosynthesis uses only NADP+. 
B)  Photosynthesis uses only NAD+. 
C)  Cellular respiration can use either NADP+ or NAD+. 
D)  Cellular respiration uses only NADP+. 
A)  Photosynthesis uses only NADP+. 
B)  Photosynthesis uses only NAD+. 
C)  Cellular respiration can use either NADP+ or NAD+. 
D)  Cellular respiration uses only NADP+.

Question 8

Match each term with its definition.
-photophosphorylation

Accepted Answer

A) the generation of ATP via a proton gradient created by light-energized electrons moving down an electron transport chain 
B) the site of the Calvin cycle in the chloroplast 
C) complexes of light-absorbing molecules clustered in the thylakoid membranes of chloroplasts 
D) the addition of O2 to RuBP by rubisco, resulting in a net loss of carbon from the Calvin cycle 
E) the molecule used to store carbon overnight in CAM plants
F)organisms that use CO2 as their carbon source and light as their energy source 
A) the generation of ATP via a proton gradient created by light-energized electrons moving down an electron transport chain 
B) the site of the Calvin cycle in the chloroplast 
C) complexes of light-absorbing molecules clustered in the thylakoid membranes of chloroplasts 
D) the addition of O2 to RuBP by rubisco, resulting in a net loss of carbon from the Calvin cycle 
E) the molecule used to store carbon overnight in CAM plants
F)organisms that use CO2 as their carbon source and light as their energy source

Question 9

Match each term with its definition.
-stroma

Accepted Answer

A) the generation of ATP via a proton gradient created by light-energized electrons moving down an electron transport chain 
B) the site of the Calvin cycle in the chloroplast 
C) complexes of light-absorbing molecules clustered in the thylakoid membranes of chloroplasts 
D) the addition of O2 to RuBP by rubisco, resulting in a net loss of carbon from the Calvin cycle 
E) the molecule used to store carbon overnight in CAM plants
F)organisms that use CO2 as their carbon source and light as their energy source 
A) the generation of ATP via a proton gradient created by light-energized electrons moving down an electron transport chain 
B) the site of the Calvin cycle in the chloroplast 
C) complexes of light-absorbing molecules clustered in the thylakoid membranes of chloroplasts 
D) the addition of O2 to RuBP by rubisco, resulting in a net loss of carbon from the Calvin cycle 
E) the molecule used to store carbon overnight in CAM plants
F)organisms that use CO2 as their carbon source and light as their energy source

Question 10

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all.  
-place to find chlorophyll

Accepted Answer

The answer of Match the terms and descriptions with the...

Question 11

What is the product of the addition of O2 to RuBP by rubisco?

Accepted Answer

A)  one molecule of G3P 
B)  one molecule of 3PGA and one molecule of phosphoglycolate 
C)  two molecules of phosphoglycolate 
D)  three molecules of 3PGA 
A)  one molecule of G3P 
B)  one molecule of 3PGA and one molecule of phosphoglycolate 
C)  two molecules of phosphoglycolate 
D)  three molecules of 3PGA

Question 12

Match the name of the process to its description.
-The process which converts G3P into a molecule that can bind to CO2.

Accepted Answer

A) noncyclic electron transport 
B) cyclic electron transport 
C) carbon fixation stage of the Calvin cycle 
D) carbon reduction stage of the Calvin cycle 
E) RuBP regeneration stage of the Calvin cycle 
A) noncyclic electron transport 
B) cyclic electron transport 
C) carbon fixation stage of the Calvin cycle 
D) carbon reduction stage of the Calvin cycle 
E) RuBP regeneration stage of the Calvin cycle

Question 13

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all.  
-outer membrane

Accepted Answer

The answer of Match the terms and descriptions with the...

Question 14

Iron is required for primary production. Based on this, which of the following can be predicted?

Accepted Answer

A)  Iron fertilization of oceans can raise N2 in the atmosphere. 
B)  Iron fertilization of oceans can lower O2 in the atmosphere. 
C)  Iron fertilization of oceans can raise CO2 in the atmosphere. 
D)  Iron fertilization of oceans can lower CO2 in the atmosphere. 
A)  Iron fertilization of oceans can raise N2 in the atmosphere. 
B)  Iron fertilization of oceans can lower O2 in the atmosphere. 
C)  Iron fertilization of oceans can raise CO2 in the atmosphere. 
D)  Iron fertilization of oceans can lower CO2 in the atmosphere.

Question 15

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all.  
-stroma

Accepted Answer

The answer of Match the terms and descriptions with the...

Question 16

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions.
-consumes NADPH

Accepted Answer

A) only light reactions 
B) only the Calvin cycle 
C) both light reactions and the Calvin cycle 
D) neither the light reactions nor the Calvin cycle 
A) only light reactions 
B) only the Calvin cycle 
C) both light reactions and the Calvin cycle 
D) neither the light reactions nor the Calvin cycle

Question 17

What is the primary purpose of the light reactions?

Accepted Answer

A)  to transfer electrons to the primary electron acceptors 
B)  to provide electrons and energy for the Calvin cycle 
C)  to generate O2 
D)  to create a proton gradient across the thylakoid membrane 
A)  to transfer electrons to the primary electron acceptors 
B)  to provide electrons and energy for the Calvin cycle 
C)  to generate O2 
D)  to create a proton gradient across the thylakoid membrane

Question 18

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions.
-consumes O2

Accepted Answer

A) only light reactions 
B) only the Calvin cycle 
C) both light reactions and the Calvin cycle 
D) neither the light reactions nor the Calvin cycle 
A) only light reactions 
B) only the Calvin cycle 
C) both light reactions and the Calvin cycle 
D) neither the light reactions nor the Calvin cycle

Question 19

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions.
-requires water

Accepted Answer

A) only light reactions 
B) only the Calvin cycle 
C) both light reactions and the Calvin cycle 
D) neither the light reactions nor the Calvin cycle 
A) only light reactions 
B) only the Calvin cycle 
C) both light reactions and the Calvin cycle 
D) neither the light reactions nor the Calvin cycle

Question 20

Consider the chemical reaction for photosynthesis as a redox reaction. Which of the following is reduced/oxidized?

Accepted Answer

A)  Carbon dioxide is reduced to glucose and water is oxidized to oxygen. 
B)  Carbon dioxide is oxidized to glucose and water is reduced to oxygen. 
C)  Carbon dioxide is reduced to oxygen and water is oxidized to glucose. 
D)  Carbon dioxide is oxidized to oxygen and water is reduced to glucose. 
A)  Carbon dioxide is reduced to glucose and water is oxidized to oxygen. 
B)  Carbon dioxide is oxidized to glucose and water is reduced to oxygen. 
C)  Carbon dioxide is reduced to oxygen and water is oxidized to glucose. 
D)  Carbon dioxide is oxidized to oxygen and water is reduced to glucose.

Exam 6: Photosynthesis

What does a CAM plant do with the malate produced by its C4 pathway?

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions. -requires G3P to continue

What is the reason we call "fossil fuels" as such?

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions. -requires glucose

What is the purpose of the C4 pathway?

Which of these molecules is a major product of the Calvin cycle?

Match each term with its definition. -photophosphorylation

Match each term with its definition. -stroma

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all. -place to find chlorophyll

What is the product of the addition of O2 to RuBP by rubisco?

Match the name of the process to its description. -The process which converts G3P into a molecule that can bind to CO2.

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all. -outer membrane

Iron is required for primary production. Based on this, which of the following can be predicted?

Match the terms and descriptions with the correct labelled part in the fllowing illustration. A labelled part may be used once, more than once, or not at all. -stroma

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions. -consumes NADPH

What is the primary purpose of the light reactions?

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions. -consumes O2

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions. -requires water

Consider the chemical reaction for photosynthesis as a redox reaction. Which of the following is reduced/oxidized?

Light and Life

The Cell: an Overview

Energy and Enzymes

Cell Membranes and Signaling

Cellular Respiration

Cell Cycles

Genetic Recombination

The Chromosomal Basis of Mendelian Inheritance

Genetic Linkage, Sex-Linkage, and Other Non-Mendelian Inheritance Mechanisms

DNA Structure, Replication, and Repair

Gene Structure Expression, and Mutation

Regulation of Gene Expression

Dna Technologies

Genomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Speciation and Macroevolution

Systematics and Phylogenetics: Revealing the Tree of Life

Humans and Evolution

Defining Life and Its Origins

Viruses, Viroids, and Prions: Infectious Biological Particles

Bacteria and Archaea

Protists

Fungi

Plants

Animals

Conservation of Biodiversity

Population Ecology

Species Interactions and Community Ecology

Ecosystems

Animal Behaviour

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Animal Nutrition

Gas Exchange: the Respiratory System

Internal Transport: the Circulatory System

Regulation of the Internal Environment: Water, Solutes, and Temperature

Control of Animal Processes: Endocrine Control

Animal Reproduction

Control of Animal Processes: Neural Control

Muscles, Skeletons, and Body Movements

Filters

What does a CAM plant do with the malate produced by its C₄ pathway?

What is the purpose of the C₄ pathway?

What is the product of the addition of O₂ to RuBP by rubisco?

Match the name of the process to its description. -The process which converts G3P into a molecule that can bind to CO₂.

If the Calvin cycle could proceed without light reactions, choose the most appropriate process for each of the two reactions. -consumes O₂