Question 1

Matching 
Choose the correct answer from the list below. Not all the answers will be used.
-Light-harvesting antennas gather photons and pass the energy to the ______ .

Accepted Answer

A) photosynthetic reaction center 
B) tyrosyl radical 
C) thylakoid 
D) H₂O 
E) CF₁CF₀
F)Z-scheme
G)NADPH
H)plastoquinone
I)H+
J)RuBP carboxylase
K)CO₂
L)2 OH–
M)O₂ 
A) photosynthetic reaction center 
B) tyrosyl radical 
C) thylakoid 
D) H₂O 
E) CF₁CF₀
F)Z-scheme
G)NADPH
H)plastoquinone
I)H+
J)RuBP carboxylase
K)CO₂
L)2 OH–
M)O₂

Question 2

Binding of oxygen to RuBisCo

Accepted Answer

A) destroys enzymatic function because oxygen is a suicide inhibitor of the enzyme. 
B) targets the enzyme for proteolytic degradation. 
C) decreases the enzyme's Km for oxygen since binding is cooperative. 
D) activates the enzyme for carbon fixing reactions. 
E) costs the cell ATP since energy is required to replace intermediates necessary for carbon fixation. 
A) destroys enzymatic function because oxygen is a suicide inhibitor of the enzyme. 
B) targets the enzyme for proteolytic degradation. 
C) decreases the enzyme's Km for oxygen since binding is cooperative. 
D) activates the enzyme for carbon fixing reactions. 
E) costs the cell ATP since energy is required to replace intermediates necessary for carbon fixation.

Question 3

Electrons from FB in PSI that follow the cyclic pathways are returned from ____ via ____ to the plastoquinone pool.

Accepted Answer

A) plastocyanin; plastoquinone 
B) PSI; cytochrome b6 
C) PSI; plastoquinone 
D) plastocyanin; cytochrome b6 
E) cytochrome b6; plastoquinone 
A) plastocyanin; plastoquinone 
B) PSI; cytochrome b6 
C) PSI; plastoquinone 
D) plastocyanin; cytochrome b6 
E) cytochrome b6; plastoquinone

Question 4

Matching 
Choose the correct answer from the list below. Not all the answers will be used.
-______ carries electrons between PSII and PSI.

Accepted Answer

A) photosynthetic reaction center 
B) tyrosyl radical 
C) thylakoid 
D) H₂O 
E) CF₁CF₀
F)Z-scheme
G)NADPH
H)plastoquinone
I)H+
J)RuBP carboxylase
K)CO₂
L)2 OH–
M)O₂ 
A) photosynthetic reaction center 
B) tyrosyl radical 
C) thylakoid 
D) H₂O 
E) CF₁CF₀
F)Z-scheme
G)NADPH
H)plastoquinone
I)H+
J)RuBP carboxylase
K)CO₂
L)2 OH–
M)O₂

Question 5

Matching 
Choose the correct answer from the list below. Not all the answers will be used.
-The light reactions of photosynthesis occur in the _____ membrane of the chloroplast.

Accepted Answer

A) photosynthetic reaction center 
B) tyrosyl radical 
C) thylakoid 
D) H₂O 
E) CF₁CF₀
F)Z-scheme
G)NADPH
H)plastoquinone
I)H+
J)RuBP carboxylase
K)CO₂
L)2 OH–
M)O₂ 
A) photosynthetic reaction center 
B) tyrosyl radical 
C) thylakoid 
D) H₂O 
E) CF₁CF₀
F)Z-scheme
G)NADPH
H)plastoquinone
I)H+
J)RuBP carboxylase
K)CO₂
L)2 OH–
M)O₂

Question 6

A radioactive labeled carbon entering the Calvin cycle as 14CO2

Accepted Answer

A) would be removed from the cycle as various carbohydrate side products in the first round of the cycle. 
B) could be identified only in the triose intermediates within the cycle. 
C) would only be observed in intermediates following three rounds of the cycle. 
D) could be observed in any of the intermediates within the cycle during the first or subsequent rounds of the cycle. 
E) would be rapidly removed by transketolase catalyzed reactions. 
A) would be removed from the cycle as various carbohydrate side products in the first round of the cycle. 
B) could be identified only in the triose intermediates within the cycle. 
C) would only be observed in intermediates following three rounds of the cycle. 
D) could be observed in any of the intermediates within the cycle during the first or subsequent rounds of the cycle. 
E) would be rapidly removed by transketolase catalyzed reactions.

Question 7

Matching 
Choose the correct answer from the list below. Not all the answers will be used.
-PSII oxidizes ____.

Accepted Answer

A) photosynthetic reaction center 
B) tyrosyl radical 
C) thylakoid 
D) H₂O 
E) CF₁CF₀
F)Z-scheme
G)NADPH
H)plastoquinone
I)H+
J)RuBP carboxylase
K)CO₂
L)2 OH–
M)O₂ 
A) photosynthetic reaction center 
B) tyrosyl radical 
C) thylakoid 
D) H₂O 
E) CF₁CF₀
F)Z-scheme
G)NADPH
H)plastoquinone
I)H+
J)RuBP carboxylase
K)CO₂
L)2 OH–
M)O₂

Question 8

An assembly of antenna pigments, or light harvesting complex,

Accepted Answer

A) are often cytosolic proteins containing multiple chlorophylls. 
B) are nearly identical in structure from species to species. 
C) are likely optimized to allow efficient transfer of energy throughout pigments. 
D) contain an alternating structure of lipid molecules and chlorophylls allowing maximal incorporation in the membrane. 
E) none of the above 
A) are often cytosolic proteins containing multiple chlorophylls. 
B) are nearly identical in structure from species to species. 
C) are likely optimized to allow efficient transfer of energy throughout pigments. 
D) contain an alternating structure of lipid molecules and chlorophylls allowing maximal incorporation in the membrane. 
E) none of the above

Question 9

The groups that initially absorb light in the Rps.viridis photosynthetic reaction center are observed to be arranged with ______, and are called the ______.

Accepted Answer

A) twofold symmetry, special pair 
B) anti-parallel symmetry, RHC 
C) trifold symmetry, tri-harvest center 
D) shared menaquinone prosthetic groups, shared pair 
E) none of the above 
A) twofold symmetry, special pair 
B) anti-parallel symmetry, RHC 
C) trifold symmetry, tri-harvest center 
D) shared menaquinone prosthetic groups, shared pair 
E) none of the above

Question 10

Light dependent ATP synthesis is called

Accepted Answer

A) photophosphorylation. 
B) substrate-level phosphorylation. 
C) oxidative phosphorylation. 
D) pyrophosphorylation. 
E) none of the above 
A) photophosphorylation. 
B) substrate-level phosphorylation. 
C) oxidative phosphorylation. 
D) pyrophosphorylation. 
E) none of the above

Matching Choose the correct answer from the list below. Not all the answers will be used. -Light-harvesting antennas gather photons and pass the energy to the ______ .

Binding of oxygen to RuBisCo

Electrons from FB in PSI that follow the cyclic pathways are returned from via to the plastoquinone pool.

Matching Choose the correct answer from the list below. Not all the answers will be used. -______ carries electrons between PSII and PSI.

Matching Choose the correct answer from the list below. Not all the answers will be used. -The light reactions of photosynthesis occur in the _____ membrane of the chloroplast.

A radioactive labeled carbon entering the Calvin cycle as ¹⁴CO₂

Matching Choose the correct answer from the list below. Not all the answers will be used. -PSII oxidizes ____.

An assembly of antenna pigments, or light harvesting complex,

The groups that initially absorb light in the Rps.viridis photosynthetic reaction center are observed to be arranged with , and are called the .

Light dependent ATP synthesis is called

Introduction to the Chemistry of Life

Water

Nucleotides, Nucleic Acids, and Genetic Information

Amino Acids

Proteins: Primary Structure

Proteins: Three-Dimensional Structure

Protein Function Part I: Myoglobin and Hemoglobin

Carbohydrates

Lipids and Biological Membranes

Membrane Transport

Enzyme Catalysis

Enzyme Kinetics, Inhibition and Control

Biochemical Signaling

Introduction to Metabolism

Glycogen Metabolism and Gluconeogenesis

Glucose Catabolism

Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Lipid Metabolism

Amino Acid Metabolism

Mammalian Fuel Metabolism: Integration and Regulation

Nucleotide Metabolism

Nucleic Acid Structure

Dna Replication, Repair and Recombination

Transcription and Rna Processing

Translation

Regulation of Gene Expression

Filters

Exam 19: Photosynthesis

Matching Choose the correct answer from the list below. Not all the answers will be used. -Light-harvesting antennas gather photons and pass the energy to the ______ .

Binding of oxygen to RuBisCo

Electrons from FB in PSI that follow the cyclic pathways are returned from ____ via ____ to the plastoquinone pool.

Matching Choose the correct answer from the list below. Not all the answers will be used. -______ carries electrons between PSII and PSI.

Matching Choose the correct answer from the list below. Not all the answers will be used. -The light reactions of photosynthesis occur in the _____ membrane of the chloroplast.

A radioactive labeled carbon entering the Calvin cycle as 14CO2

Matching Choose the correct answer from the list below. Not all the answers will be used. -PSII oxidizes ____.

An assembly of antenna pigments, or light harvesting complex,

The groups that initially absorb light in the Rps.viridis photosynthetic reaction center are observed to be arranged with ______, and are called the ______.

Light dependent ATP synthesis is called

Introduction to the Chemistry of Life

Water

Nucleotides, Nucleic Acids, and Genetic Information

Amino Acids

Proteins: Primary Structure

Proteins: Three-Dimensional Structure

Protein Function Part I: Myoglobin and Hemoglobin

Carbohydrates

Lipids and Biological Membranes

Membrane Transport

Enzyme Catalysis

Enzyme Kinetics, Inhibition and Control

Biochemical Signaling

Introduction to Metabolism

Glycogen Metabolism and Gluconeogenesis

Glucose Catabolism

Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Lipid Metabolism

Amino Acid Metabolism

Mammalian Fuel Metabolism: Integration and Regulation

Nucleotide Metabolism

Nucleic Acid Structure

Dna Replication, Repair and Recombination

Transcription and Rna Processing

Translation

Regulation of Gene Expression

Filters

Electrons from FB in PSI that follow the cyclic pathways are returned from via to the plastoquinone pool.

A radioactive labeled carbon entering the Calvin cycle as ¹⁴CO₂

The groups that initially absorb light in the Rps.viridis photosynthetic reaction center are observed to be arranged with , and are called the .