Question 1

What is the primary function of the Calvin cycle?

Accepted Answer

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

Question 2

In mitochondria,the electron transport chain pumps protons from the matrix into the intermembrane space.In what direction are protons pumped by the electron transport chain in chloroplasts?

Accepted Answer

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

Question 3

Where are ATP synthase complexes located in a plant cell?

Accepted Answer

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

Question 4

In mechanism,photophosphorylation is most similar to

Accepted Answer

A) substrate-level phosphorylation in glycolysis. 
B) oxidative phosphorylation in cellular respiration. 
C) carbon fixation. 
D) reduction of NADP+. 
A) substrate-level phosphorylation in glycolysis. 
B) oxidative phosphorylation in cellular respiration. 
C) carbon fixation. 
D) reduction of NADP+.

Question 5

Which of the following metabolic pathways produce(s)reduced soluble electron carriers?

Accepted Answer

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

Question 6

Which of the following statements is an accurate comparison of C3 and C4 plants

Accepted Answer

A) C4 plants can continue to fix CO2 even at relatively low CO2 concentrations and high oxygen concentrations,whereas C3 plants cannot. 
B) C4 plants have higher rates of photorespiration than C3 plants. 
C) C4 plants fix carbon during the day,whereas C3 plants fix carbon at night. 
D) C4 plants grow better in cool,moist climates,whereas C3 plants grow better in hot,arid climates. 
A) C4 plants can continue to fix CO2 even at relatively low CO2 concentrations and high oxygen concentrations,whereas C3 plants cannot. 
B) C4 plants have higher rates of photorespiration than C3 plants. 
C) C4 plants fix carbon during the day,whereas C3 plants fix carbon at night. 
D) C4 plants grow better in cool,moist climates,whereas C3 plants grow better in hot,arid climates.

Question 7

The leaves of a plant with a unique photosynthetic pigment appear orange in sunlight.What wavelengths of visible light are most likely absorbed by this unique pigment?

Accepted Answer

A) red and yellow 
B) blue and violet 
C) green and yellow 
D) blue and red 
A) red and yellow 
B) blue and violet 
C) green and yellow 
D) blue and red

Question 8

Theodor W.Engelmann illuminated a filament of algae with light that passed through a prism,thus exposing different segments of algae to different wavelengths of light.He added aerobic bacteria and then noted in which areas the bacteria congregated.He found that the largest groups were found in the areas illuminated by the red and blue light.This experiment helped to determine the relationship between which of the following parameters?

Accepted Answer

A) heterotrophic and autotrophic organisms 
B) wavelengths of light and the rate of aerobic respiration 
C) wavelengths of light and the amount of heat released 
D) wavelengths of light and the rate of photosynthesis 
E) the concentration of carbon dioxide and the rate of photosynthesis 
A) heterotrophic and autotrophic organisms 
B) wavelengths of light and the rate of aerobic respiration 
C) wavelengths of light and the amount of heat released 
D) wavelengths of light and the rate of photosynthesis 
E) the concentration of carbon dioxide and the rate of photosynthesis

Exam 8: Photosynthesis

What is the primary function of the Calvin cycle?

In mitochondria,the electron transport chain pumps protons from the matrix into the intermembrane space.In what direction are protons pumped by the electron transport chain in chloroplasts?

Where are ATP synthase complexes located in a plant cell?

In mechanism,photophosphorylation is most similar to

Which of the following metabolic pathways produce(s)reduced soluble electron carriers?

Which of the following statements is an accurate comparison of C3 and C4 plants

The leaves of a plant with a unique photosynthetic pigment appear orange in sunlight.What wavelengths of visible light are most likely absorbed by this unique pigment?

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

Ecological Communities

Ecosystems and Energy

Conservation Biology and Global Change

Filters

Which of the following statements is an accurate comparison of C₃ and C₄ plants