Question 1

Noncyclic electron transport needs a constant supply of electrons.These are obtained from:

Accepted Answer

A)  light. 
B)  CO2. 
C)  glucose. 
D)  H2O. 
E)  ATP. 
A)  light. 
B)  CO2. 
C)  glucose. 
D)  H2O. 
E)  ATP. D

Question 2

MATCHING
Match the photosynthetic component with its description.
a.P680
d.chlorophyll b
b.P700
e.antenna complex
c.carotenoids
-antioxidants that inactivate reactive forms of oxygen

Accepted Answer

C

Question 3

The synthesis of ATP during photosynthesis or respiration occurs as a result of:

Accepted Answer

A)  phosphorylation of AMP. 
B)  phosphorylation of ATP. 
C)  phosphorylation of ADP. 
D)  phosphorylation of G3P. 
E)  oxidation of NADPH. 
A)  phosphorylation of AMP. 
B)  phosphorylation of ATP. 
C)  phosphorylation of ADP. 
D)  phosphorylation of G3P. 
E)  oxidation of NADPH. C

Question 4

MATCHING
Match the photosynthetic component with its description.
a.P680
d.chlorophyll b
b.P700
e.antenna complex
c.carotenoids
-a green accessory pigment

Accepted Answer

The answer of MATCHING
Match the photosynthetic component with its description.
a.P680
d.chlorophyll...

Question 5

Compare and contrast the cyclic and noncyclic electron transport pathways of photosynthesis.

Accepted Answer

Both cyclic and noncyclic electron trans

Question 6

The overall reactions of photosynthesis are best summarized as:

Accepted Answer

A)  12 CO2 + 6 H2O $\rightarrow$C6H12O6 + 12 O2 + 6 H2O. 
B)  C6H12O6 + 6 O2 + 6 H2O $\rightarrow$ 6 CO2 + 12 H2O. 
C)  6 CO2 + 12 H2O $\rightarrow$C6H12O6 + 6 O2 + 6 H2O. 
D)  6 CO2 + 12 H2O $\rightarrow$C6H12O6 + 12 O2. 
E)  6 H2CO3 + 6 H2O $\rightarrow$C6H12O6 + C6H12O6 + 6 H2O + 6 O2. 
A)  12 CO2 + 6 H2O $\rightarrow$C6H12O6 + 12 O2 + 6 H2O. 
B)  C6H12O6 + 6 O2 + 6 H2O $\rightarrow$ 6 CO2 + 12 H2O. 
C)  6 CO2 + 12 H2O $\rightarrow$C6H12O6 + 6 O2 + 6 H2O. 
D)  6 CO2 + 12 H2O $\rightarrow$C6H12O6 + 12 O2. 
E)  6 H2CO3 + 6 H2O $\rightarrow$C6H12O6 + C6H12O6 + 6 H2O + 6 O2.

Question 7

Compare and contrast the processes of photosynthesis and aerobic respiration.How are they similar and how do they differ?

Accepted Answer

Concepts to Consider: Overall, aerobic r

Question 8

The reactants of the light-dependent reactions are:

Accepted Answer

A)  H2O, ADP, and NADP+. 
B)  CO2, ADP, and NADP+. 
C)  H2O, ATP, and NADPH. 
D)  CO2, ADP, and NADPH. 
E)  H2O, CO2, and NADP+. 
A)  H2O, ADP, and NADP+. 
B)  CO2, ADP, and NADP+. 
C)  H2O, ATP, and NADPH. 
D)  CO2, ADP, and NADPH. 
E)  H2O, CO2, and NADP+.

Question 9

Engelmann concluded that chlorophyll in the chloroplasts is responsible for photosynthesis based on the following results:

Accepted Answer

A)  Spirogyra cells each contain a long, spiral-shaped, emerald-green chloroplast embedded in the cytoplasm. 
B)  The action spectrum of photosynthesis matched the maximum production of oxygen by Spirogyra, observed by 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)  Protons flow through the ATP synthase complex. 
A)  Spirogyra cells each contain a long, spiral-shaped, emerald-green chloroplast embedded in the cytoplasm. 
B)  The action spectrum of photosynthesis matched the maximum production of oxygen by Spirogyra, observed by 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)  Protons flow through the ATP synthase complex.

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

Diagram and label the internal structure of a chloroplast.Briefly describe the function of each structure you labeled.

Accepted Answer

The diagram should be similar to Fig.9-4

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is not one of the intermediates or products of the carbon fixation reactions?

Accepted Answer

A)  NADPH 
B)  phosphogylcerate (PG
A)  
C)  glyceraldehyde 3-phosphate 
D)  glucose 
E)  ribulose bisphosphate 
A)  NADPH 
B)  phosphogylcerate (PG
A)  
C)  glyceraldehyde 3-phosphate 
D)  glucose 
E)  ribulose bisphosphate

Question 15

Reaction center complexes of the light-dependent reactions contain __________ and __________, which receive energy from __________.

Accepted Answer

A)  accessory pigments; chlorophyll; antenna complexes 
B)  carotenoids; proteins; chlorophyll 
C)  chlorophyll; antenna complexes; carotenoid 
D)  proteins; antenna complexes; carotenoid 
E)  chlorophyll; proteins; antenna complexes 
A)  accessory pigments; chlorophyll; antenna complexes 
B)  carotenoids; proteins; chlorophyll 
C)  chlorophyll; antenna complexes; carotenoid 
D)  proteins; antenna complexes; carotenoid 
E)  chlorophyll; proteins; antenna complexes

Question 16

At night, CAM plants incorporate CO2 into __________, which is stored in the __________ of their cells.

Accepted Answer

A)  fructose; vacuoles 
B)  acetyl CoA; mitochondria 
C)  glucose; starch granules 
D)  pyruvate; starch granules 
E)  malate; vacuoles 
A)  fructose; vacuoles 
B)  acetyl CoA; mitochondria 
C)  glucose; starch granules 
D)  pyruvate; starch granules 
E)  malate; vacuoles

Question 17

At a plant's light compensation point the rate of photosynthesis is greater than the rate of respiration.
__________________

Accepted Answer

A) True 
 B)False

Question 18

Photorespiration is a wasteful process that could be largely avoided if rubisco would bind only CO2.
__________________

Accepted Answer

A) True 
 B)False

Question 19

In C3 plants, the __________ are typically closed at night and open during the daytime to allow for gas exchange.

Accepted Answer

A)  stomata 
B)  epidermis 
C)  spongy mesophyll 
D)  grana 
E)  cuticles 
A)  stomata 
B)  epidermis 
C)  spongy mesophyll 
D)  grana 
E)  cuticles

Question 20

Chlorophyll molecules are attached to thylakoid membranes by:

Accepted Answer

A)  a long hydrocarbon tail. 
B)  the porphyrin ring. 
C)  the methyl group. 
D)  a magnesium ion. 
E)  a hydroxide group. 
A)  a long hydrocarbon tail. 
B)  the porphyrin ring. 
C)  the methyl group. 
D)  a magnesium ion. 
E)  a hydroxide group.

Exam 9: Photosynthesis: Capturing Light Energy

Noncyclic electron transport needs a constant supply of electrons.These are obtained from:

MATCHING Match the photosynthetic component with its description. a.P680 d.chlorophyll b b.P700 e.antenna complex c.carotenoids -antioxidants that inactivate reactive forms of oxygen

The synthesis of ATP during photosynthesis or respiration occurs as a result of:

MATCHING Match the photosynthetic component with its description. a.P680 d.chlorophyll b b.P700 e.antenna complex c.carotenoids -a green accessory pigment

Compare and contrast the cyclic and noncyclic electron transport pathways of photosynthesis.

The overall reactions of photosynthesis are best summarized as:

Compare and contrast the processes of photosynthesis and aerobic respiration.How are they similar and how do they differ?

The reactants of the light-dependent reactions are:

Engelmann concluded that chlorophyll in the chloroplasts is responsible for photosynthesis based on the following results:

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

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

Diagram and label the internal structure of a chloroplast.Briefly describe the function of each structure you labeled.

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

Which of the following is not one of the intermediates or products of the carbon fixation reactions?

Reaction center complexes of the light-dependent reactions contain __________ and __________, which receive energy from __________.

At night, CAM plants incorporate CO2 into __________, which is stored in the __________ of their cells.

At a plant's light compensation point the rate of photosynthesis is greater than the rate of respiration. __________________

Photorespiration is a wasteful process that could be largely avoided if rubisco would bind only CO2. __________________

In C3 plants, the __________ are typically closed at night and open during the daytime to allow for gas exchange.

Chlorophyll molecules are attached to thylakoid membranes by:

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

Reaction center complexes of the light-dependent reactions contain and , which receive energy from __.

At night, CAM plants incorporate CO₂ into , which is stored in the of their cells.

Photorespiration is a wasteful process that could be largely avoided if rubisco would bind only CO₂. __________________

In C₃ plants, the __________ are typically closed at night and open during the daytime to allow for gas exchange.