Question 1

What is the primary function of the Calvin cycle?

Accepted Answer

A)  regenerate ATP for use in the light reactions of photosynthesis 
B)  produce carbon dioxide for use in the light reactions of photosynthesis 
C)  produce oxygen by oxidizing water 
D)  produce simple sugars from carbon dioxide 
A)  regenerate ATP for use in the light reactions of photosynthesis 
B)  produce carbon dioxide for use in the light reactions of photosynthesis 
C)  produce oxygen by oxidizing water 
D)  produce simple sugars from carbon dioxide

Question 2

In chemiosmosis in mitochondria, protons flow from the intermembrane space into the matrix, whereas in chemiosmosis in chloroplasts, protons flow from

Accepted Answer

A)  the stroma into the cytosol. 
B)  the matrix into the stroma. 
C)  the stroma into the thylakoid space. 
D)  the intermembrane space into the stroma. 
E)  the thylakoid space to into the stroma. 
A)  the stroma into the cytosol. 
B)  the matrix into the stroma. 
C)  the stroma into the thylakoid space. 
D)  the intermembrane space into the stroma. 
E)  the thylakoid space to into the stroma.

Question 3

In autotrophic bacteria, where are chlorophyll-like pigments located?

Accepted Answer

A)  in the chloroplast membranes 
B)  in the chloroplast stroma 
C)  in infolded regions of the plasma membrane 
D)  in infolded regions of the cell wall 
E)  in the central vacuole membrane 
A)  in the chloroplast membranes 
B)  in the chloroplast stroma 
C)  in infolded regions of the plasma membrane 
D)  in infolded regions of the cell wall 
E)  in the central vacuole membrane

Question 4

Reactions that consume CO₂ take place in

Accepted Answer

A)  the light reactions of photosynthesis only. 
B)  the Calvin cycle only. 
C)  the citric acid cycle only. 
D)  both the light reactions and the Calvin cycle. 
E)  both the Calvin cycle and the citric acid cycle. 
A)  the light reactions of photosynthesis only. 
B)  the Calvin cycle only. 
C)  the citric acid cycle only. 
D)  both the light reactions and the Calvin cycle. 
E)  both the Calvin cycle and the citric acid cycle.

Question 5

In a plant cell, where are ATP synthase complexes located?

Accepted Answer

A)  thylakoid membranes only 
B)  plasma membrane only 
C)  inner mitochondrial membranes only 
D)  thylakoid membrane and inner mitochondrial membranes 
E)  thylakoid membrane and plasma membranes 
A)  thylakoid membranes only 
B)  plasma membrane only 
C)  inner mitochondrial membranes only 
D)  thylakoid membrane and inner mitochondrial membranes 
E)  thylakoid membrane and plasma membranes

Question 6

Where are the molecules of the electron transport chain associated with photophosphorylation located in plant cells?

Accepted Answer

A)  thylakoid membranes of chloroplasts 
B)  stroma of chloroplasts 
C)  outer membrane of chloroplasts 
D)  matrix of mitochondria 
E)  inner membrane of mitochondria 
A)  thylakoid membranes of chloroplasts 
B)  stroma of chloroplasts 
C)  outer membrane of chloroplasts 
D)  matrix of mitochondria 
E)  inner membrane of mitochondria

Question 7

In the thylakoid membranes, what is the main role of the pigment molecules in a light-harvesting complex?

Accepted Answer

A)  split water and release oxygen to the reaction-center chlorophyll 
B)  transfer light energy to the reaction-center chlorophyll 
C)  synthesize ATP from ADP and ℗i 
D)  transfer electrons to NADPH 
A)  split water and release oxygen to the reaction-center chlorophyll 
B)  transfer light energy to the reaction-center chlorophyll 
C)  synthesize ATP from ADP and ℗i 
D)  transfer electrons to NADPH

Question 8

In which types of plants is the enzyme rubisco found?

Accepted Answer

A)  C3 plants only 
B)  C4 plants only 
C)  C3 and C4 plants only 
D)  C4 and CAM plants only 
E)  C3, C4, and CAM plants 
A)  C3 plants only 
B)  C4 plants only 
C)  C3 and C4 plants only 
D)  C4 and CAM plants only 
E)  C3, C4, and CAM plants

Question 9

Figure 8.2
-Use Figure 8.2 and the compounds labeled A, B, C, D, and E to answer the following question. If ATP used by this plant is labeled with radioactive phosphorus, which molecule or molecules of the Calvin cycle will be radioactively labeled first?

Accepted Answer

A)  B only 
B)  B and C only 
C)  B, C, and D only 
D)  B and E only 
E)  B and D only 
A)  B only 
B)  B and C only 
C)  B, C, and D only 
D)  B and E only 
E)  B and D only

Question 10

Some photosynthetic bacteria (e.g., purple sulfur bacteria) have only photosystem I, whereas others (e.g., cyanobacteria) have both photosystem I and photosystem II. Which of the following might this observation imply?

Accepted Answer

A)  Photosystem II was selected against in some species. 
B)  Photosynthesis with only photosystem I is more ancestral. 
C)  Photosystem II may have evolved to be more photoprotective. 
D)  Linear electron flow is more primitive than cyclic flow of electrons. 
E)  Cyclic electron flow is essential to photosynthesis. 
A)  Photosystem II was selected against in some species. 
B)  Photosynthesis with only photosystem I is more ancestral. 
C)  Photosystem II may have evolved to be more photoprotective. 
D)  Linear electron flow is more primitive than cyclic flow of electrons. 
E)  Cyclic electron flow is essential to photosynthesis.

Question 11

Electron transport chains associated with ATP production in plant cells are located in

Accepted Answer

A)  the outer chloroplast membranes only. 
B)  the thylakoid membranes only. 
C)  the mitochondrial inner membranes only. 
D)  the thylakoid and outer chloroplast membranes. 
E)  the thylakoid and mitochondrial inner membranes. 
A)  the outer chloroplast membranes only. 
B)  the thylakoid membranes only. 
C)  the mitochondrial inner membranes only. 
D)  the thylakoid and outer chloroplast membranes. 
E)  the thylakoid and mitochondrial inner membranes.

Question 12

What compound provides the reducing power for the Calvin cycle reactions?

Accepted Answer

A)  ATP 
B)  FAD 
C)  FADH₂ 
D)  NADPH 
E)  CO₂ 
A)  ATP 
B)  FAD 
C)  FADH₂ 
D)  NADPH 
E)  CO₂

Exam 8: Photosynthesis

What is the primary function of the Calvin cycle?

In chemiosmosis in mitochondria, protons flow from the intermembrane space into the matrix, whereas in chemiosmosis in chloroplasts, protons flow from

In autotrophic bacteria, where are chlorophyll-like pigments located?

Reactions that consume CO₂ take place in

In a plant cell, where are ATP synthase complexes located?

Where are the molecules of the electron transport chain associated with photophosphorylation located in plant cells?

In the thylakoid membranes, what is the main role of the pigment molecules in a light-harvesting complex?

In which types of plants is the enzyme rubisco found?

Figure 8.2 -Use Figure 8.2 and the compounds labeled A, B, C, D, and E to answer the following question. If ATP used by this plant is labeled with radioactive phosphorus, which molecule or molecules of the Calvin cycle will be radioactively labeled first?

Some photosynthetic bacteria (e.g., purple sulfur bacteria) have only photosystem I, whereas others (e.g., cyanobacteria) have both photosystem I and photosystem II. Which of the following might this observation imply?

Electron transport chains associated with ATP production in plant cells are located in

What compound provides the reducing power for the Calvin cycle reactions?

Introduction: Evolution and the Foundations of Biology

The Chemical Context of Life

Carbon and the Molecular Diversity of Life

A Tour of the Cell

Membrane Transport and Cell Signaling

An Introduction to Metabolism

Cellular Respiration and Fermentation

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

Gene Expression: From Gene to Protein

Regulation of Gene Expression

Development, Stem Cells, and Cancer

Viruses

Genomes and Their Evolution

Descent With Modification

Phylogeny

The Evolution of Populations

The Origin of Species

Broad Patterns of Evolution

Early Life and the Diversification of Prokaryotes

The Origin and Diversification of Eukaryotes

The Colonization of Land by Plants and Fungi

The Rise of Animal Diversity

Plant Structure and Growth

Resource Acquisition, Nutrition, and Transport in Vascular Plants

Reproduction and Domestication of Flowering Plants

Plant Responses to Internal and External Signals

Homeostasis and Endocrine Signaling

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Reproduction and Development

Neurons, Synapses, and Signaling

Nervous and Sensory Systems

Motor Mechanisms and Behavior

Population Ecology and the Distribution of Organisms

Species Interactions

Ecosystems and Energy

Global Ecology and Conservation Biology

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