Question 1

Which is the energy source that drives the Calvin cycle?

Accepted Answer

A)  ATP only 
B)  ADP only 
C)  G3P only 
D)  ADP and G3P 
E)  ATP and NADH 
A)  ATP only 
B)  ADP only 
C)  G3P only 
D)  ADP and G3P 
E)  ATP and NADH E

Question 2

How are chlorophyll molecules attached to thylakoid membranes?

Accepted Answer

A)  by a magnesium ion 
B)  with a porphyrin ring 
C)  with a methyl group 
D)  by a hydroxide group 
E)  by a long hydrocarbon side chain 
A)  by a magnesium ion 
B)  with a porphyrin ring 
C)  with a methyl group 
D)  by a hydroxide group 
E)  by a long hydrocarbon side chain E

Question 3

What are the two phases of photosynthesis?

Accepted Answer

A)  chemiosmosis and photochemical reactions 
B)  carbon reduction reactions and oxidation reactions 
C)  light-dependent reactions and carbon fixation reactions 
D)  carbon fixation reactions and oxygen fixation reactions 
E)  light-independent reactions and carbon fixation reactions 
A)  chemiosmosis and photochemical reactions 
B)  carbon reduction reactions and oxidation reactions 
C)  light-dependent reactions and carbon fixation reactions 
D)  carbon fixation reactions and oxygen fixation reactions 
E)  light-independent reactions and carbon fixation reactions C

Question 4

Which part of the chlorophyll molecule is responsible for absorbing light?

Accepted Answer

A)  methyl group 
B)  porphyrin ring 
C)  magnesium ion 
D)  phosphate group 
E)  long hydrocarbon side chain 
A)  methyl group 
B)  porphyrin ring 
C)  magnesium ion 
D)  phosphate group 
E)  long hydrocarbon side chain

Question 5

ATP is generated when protons flow through the cytochrome complex in the thylakoid membrane. 
__________________

Accepted Answer

A) True 
 B)False

Question 6

Which of the following would be classified as a CAM plant?

Accepted Answer

A)  rose 
B)  crocus 
C)  orchid 
D)  daffodil 
E)  chrysanthemum 
A)  rose 
B)  crocus 
C)  orchid 
D)  daffodil 
E)  chrysanthemum

Question 7

Most plants are known as photoheterotrophs .

Accepted Answer

A) True 
 B)False

Question 8

By definition, substances that absorb visible light are called:

Accepted Answer

A)  photons. 
B)  pigments. 
C)  porphyrins. 
D)  nucleotides. 
E)  hydrocarbons. 
A)  photons. 
B)  pigments. 
C)  porphyrins. 
D)  nucleotides. 
E)  hydrocarbons.

Question 9

A chlorophyll molecule has a porphyrin ring containing a single atom of:

Accepted Answer

A)  manganese. 
B)  magnesium. 
C)  phosphorus. 
D)  nitrogen. 
E)  iron. 
A)  manganese. 
B)  magnesium. 
C)  phosphorus. 
D)  nitrogen. 
E)  iron.

Question 10

What is the C4 pathway? Briefly explain how this adaptation increases the effectiveness of photosynthesis in these plants.

Accepted Answer

In the C₄ pathway, CO₂ reacts with PEP in

Question 11

Where is the electron transport chain of photosynthesis located?

Accepted Answer

A)  cristae 
B)  mitochondria 
C)  chloroplast stroma 
D)  thylakoid membrane 
E)  outer chloroplast membrane 
A)  cristae 
B)  mitochondria 
C)  chloroplast stroma 
D)  thylakoid membrane 
E)  outer chloroplast membrane

Question 12

Engelmann concluded that chlorophyll in the chloroplasts is responsible for photosynthesis based on the which of the following results?

Accepted Answer

A)  Protons flow through the ATP synthase complex. 
B)  The action spectrum of photosynthesis matched the maximum production of oxygen by Spirogyra, with the greatest accumulation of bacteria in the blue and red regions of the spectrum. 
C)  Bacteria exposed to the action spectrum for photosynthesis showed no preference to any particular color of light. 
D)  Accessory pigments transfer some of the energy of excitation produced by green light to chlorophyll molecules. 
E)  Spirogyra cells each contain a long, spiral-shaped, emerald-green chloroplast embedded in the cytoplasm. 
A)  Protons flow through the ATP synthase complex. 
B)  The action spectrum of photosynthesis matched the maximum production of oxygen by Spirogyra, with the greatest accumulation of bacteria in the blue and red regions of the spectrum. 
C)  Bacteria exposed to the action spectrum for photosynthesis showed no preference to any particular color of light. 
D)  Accessory pigments transfer some of the energy of excitation produced by green light to chlorophyll molecules. 
E)  Spirogyra cells each contain a long, spiral-shaped, emerald-green chloroplast embedded in the cytoplasm.

Question 13

Thylakoid membranes are involved in ____ synthesis.

Accepted Answer

A)  glucose 
B)  NADP+ 
C)  ATP 
D)  RuBP 
E)  PEP 
A)  glucose 
B)  NADP+ 
C)  ATP 
D)  RuBP 
E)  PEP

Question 14

The part of a chlorophyll molecule that absorbs light energy is the porphyrin ring . 
__________________

Accepted Answer

A) True 
 B)False

Question 15

A group of thylakoid discs make up what part of a chloroplast?

Accepted Answer

A)  lumen 
B)  stroma 
C)  granum 
D)  vacuole 
E)  mesophyll layer 
A)  lumen 
B)  stroma 
C)  granum 
D)  vacuole 
E)  mesophyll layer

Question 16

In C4 plants, reactions that fix CO2 into four-carbon compounds occur in what type of cells?

Accepted Answer

A)  guard cells 
B)  xylem cells 
C)  epidermal cells 
D)  mesophyll cells 
E)  bundle sheath cells 
A)  guard cells 
B)  xylem cells 
C)  epidermal cells 
D)  mesophyll cells 
E)  bundle sheath cells

Question 17

Which process not only yields electrons during photosystem I and II, but also is the source of almost all the oxygen in Earth's atmosphere?

Accepted Answer

A)  glycolysis 
B)  photolysis 
C)  Calvin cycle 
D)  CAM pathway 
E)  noncyclic electron transport 
A)  glycolysis 
B)  photolysis 
C)  Calvin cycle 
D)  CAM pathway 
E)  noncyclic electron transport

Question 18

In which part of the chloroplast do the carbon fixation reactions take place?

Accepted Answer

A)  lumen 
B)  stroma 
C)  granum 
D)  mesophyll 
E)  thylakoids 
A)  lumen 
B)  stroma 
C)  granum 
D)  mesophyll 
E)  thylakoids

Question 19

What is the fluid-filled sac within the inner membrane of a chloroplast called?

Accepted Answer

A)  grana 
B)  lumen 
C)  stroma 
D)  thylakoid 
E)  electron acceptor 
A)  grana 
B)  lumen 
C)  stroma 
D)  thylakoid 
E)  electron acceptor

Question 20

The photolysis of water occurs in conjunction with photosystem I . 
__________________

Accepted Answer

A) True 
 B)False

Exam 9: Photosynthesis Capturing Light Energy

Which is the energy source that drives the Calvin cycle?

How are chlorophyll molecules attached to thylakoid membranes?

What are the two phases of photosynthesis?

Which part of the chlorophyll molecule is responsible for absorbing light?

ATP is generated when protons flow through the cytochrome complex in the thylakoid membrane. __________________

Which of the following would be classified as a CAM plant?

Most plants are known as photoheterotrophs .

By definition, substances that absorb visible light are called:

A chlorophyll molecule has a porphyrin ring containing a single atom of:

What is the C4 pathway? Briefly explain how this adaptation increases the effectiveness of photosynthesis in these plants.

Where is the electron transport chain of photosynthesis located?

Engelmann concluded that chlorophyll in the chloroplasts is responsible for photosynthesis based on the which of the following results?

Thylakoid membranes are involved in ____ synthesis.

The part of a chlorophyll molecule that absorbs light energy is the porphyrin ring . __________________

A group of thylakoid discs make up what part of a chloroplast?

In C4 plants, reactions that fix CO2 into four-carbon compounds occur in what type of cells?

Which process not only yields electrons during photosystem I and II, but also is the source of almost all the oxygen in Earth's atmosphere?

In which part of the chloroplast do the carbon fixation reactions take place?

What is the fluid-filled sac within the inner membrane of a chloroplast called?

The photolysis of water occurs in conjunction with photosystem I . __________________

A View of Life

Atoms and Molecules the Chemical Basis of Life

The Chemistry of Life Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp Energy-Releasing Pathways

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure Growth and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function an Introduction

Protection Support and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters

What is the C₄ pathway? Briefly explain how this adaptation increases the effectiveness of photosynthesis in these plants.

In C₄ plants, reactions that fix CO₂ into four-carbon compounds occur in what type of cells?