Question 1

The reactions that allow plants such as cacti and orchids to assimilate carbon at night are referred to as .

Accepted Answer

A)  the Calvin cycle 
B)  nocturnal photorespiration 
C)  the C4 pathway 
D)  Crassulacean acid metabolism 
A)  the Calvin cycle 
B)  nocturnal photorespiration 
C)  the C4 pathway 
D)  Crassulacean acid metabolism

Question 2

On a hot summer day which would you expect about the ratio of oxygenation versus carboxylation of ribulose 1,5-bisphosphate in C3 plants as compared to a cooler day?

Accepted Answer

A)  No change because oxygenation does not occur in C3 plants. 
B)  The ratio is not affected by temperature. 
C)  The ratio rises due to increased rate of oxygenation. 
D)  The ratio decreases due to decreased rate of oxygenation. 
A)  No change because oxygenation does not occur in C3 plants. 
B)  The ratio is not affected by temperature. 
C)  The ratio rises due to increased rate of oxygenation. 
D)  The ratio decreases due to decreased rate of oxygenation.

Question 3

What is the product of the reaction catalyzed by rubisco in the Calvin cycle?

Accepted Answer

A)  dihydroxyacetone phosphate 
B)  3-phosphoglycerate 
C)  ribose 5-phosphate 
D)  fructose 6-phosphate 
A)  dihydroxyacetone phosphate 
B)  3-phosphoglycerate 
C)  ribose 5-phosphate 
D)  fructose 6-phosphate

Question 4

What is the correct sequence for the following components in photosynthesis as described by the Z scheme?

Accepted Answer

A)  NADPH → P700 → P700* → cytochrome bf complex → P680 → P680* → water 
B)  Water → P700 → P700* → cytochrome bf complex → P680* → P680 → NADPH 
C)  Water → P680 → P680* → cytochrome bf complex → P700 → P700* → NADPH 
D)  Water → P700 → P700* → cytochrome bf complex → P680 → P680* → NADPH 
E)  NADPH → P680 → P680* → cytochrome bf complex → P700 → P700* → water 
A)  NADPH → P700 → P700* → cytochrome bf complex → P680 → P680* → water 
B)  Water → P700 → P700* → cytochrome bf complex → P680* → P680 → NADPH 
C)  Water → P680 → P680* → cytochrome bf complex → P700 → P700* → NADPH 
D)  Water → P700 → P700* → cytochrome bf complex → P680 → P680* → NADPH 
E)  NADPH → P680 → P680* → cytochrome bf complex → P700 → P700* → water

Question 5

The cytochrome bf complex connects the electron flow from photosystem I (PSI) to photosystem II (PSII) according to the Z scheme describing electron flow in photosynthesis.

Accepted Answer

A) True 
 B)False

Question 6

Solar energy is captured in chemical form as ATP and NADPH by the process of photosynthesis.

Accepted Answer

A) True 
 B)False

Question 7

The reaction catalyzed by which enzyme in the Calvin cycle is unlikely to be a regulatory step?

Accepted Answer

A)  phosphoglycerate kinase 
B)  triose phosphate isomerase 
C)  phosphoribokinase 
D)  rubisco 
A)  phosphoglycerate kinase 
B)  triose phosphate isomerase 
C)  phosphoribokinase 
D)  rubisco

Question 8

Cyanobacteria have evolved photosynthetic features not found in green sulfur bacteria. These include

Accepted Answer

A)  cytochrome bc. 
B)  synthesis of NADH. 
C)  electron acceptor P700. 
D)  an oxygen-evolving complex. 
E)  All of the above 
A)  cytochrome bc. 
B)  synthesis of NADH. 
C)  electron acceptor P700. 
D)  an oxygen-evolving complex. 
E)  All of the above

Question 9

Which is not a substance produced from the carbon dioxide assimilated via the Calvin cycle?

Accepted Answer

A)  cellulose 
B)  starch 
C)  sucrose 
D)  chitin 
A)  cellulose 
B)  starch 
C)  sucrose 
D)  chitin

Question 10

The synthesis of sucrose in plants occurs in the .

Accepted Answer

A)  cytoplasm 
B)  chloroplast 
C)  vacuole 
D)  lumen 
A)  cytoplasm 
B)  chloroplast 
C)  vacuole 
D)  lumen

The reactions that allow plants such as cacti and orchids to assimilate carbon at night are referred to as .

On a hot summer day which would you expect about the ratio of oxygenation versus carboxylation of ribulose 1,5-bisphosphate in C₃plants as compared to a cooler day?

What is the product of the reaction catalyzed by rubisco in the Calvin cycle?

What is the correct sequence for the following components in photosynthesis as described by the Z scheme?

The cytochrome bf complex connects the electron flow from photosystem I (PSI) to photosystem II (PSII) according to the Z scheme describing electron flow in photosynthesis.

Solar energy is captured in chemical form as ATP and NADPH by the process of photosynthesis.

The reaction catalyzed by which enzyme in the Calvin cycle is unlikely to be a regulatory step?

Cyanobacteria have evolved photosynthetic features not found in green sulfur bacteria. These include

Which is not a substance produced from the carbon dioxide assimilated via the Calvin cycle?

The synthesis of sucrose in plants occurs in the .

Introduction to Biochemistry

Water

Amino Acids and the Primary Structures of Proteins

Proteins: Three-Dimensional Structure and Function

Properties of Enzymes

Mechanisms of Enzymes

Coenzymes and Vitamins

Carbohydrates

Lipids and Membranes

Introduction to Metabolism

Glycolysis

Gluconeogenesis, the Pentose Phosphate Pathway, and Glycogen Metabolism

The Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Lipid Metabolism

Amino Acid Metabolism

Nucleotide Metabolism

Nucleic Acids

Dna Replication, Repair, and Recombination

Transcription and Rna Processing

Protein Synthesis

Recombinant Dna Technology

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Exam 15: Photosynthesis

The reactions that allow plants such as cacti and orchids to assimilate carbon at night are referred to as .

On a hot summer day which would you expect about the ratio of oxygenation versus carboxylation of ribulose 1,5-bisphosphate in C3 plants as compared to a cooler day?

What is the product of the reaction catalyzed by rubisco in the Calvin cycle?

What is the correct sequence for the following components in photosynthesis as described by the Z scheme?

The cytochrome bf complex connects the electron flow from photosystem I (PSI) to photosystem II (PSII) according to the Z scheme describing electron flow in photosynthesis.

Solar energy is captured in chemical form as ATP and NADPH by the process of photosynthesis.

The reaction catalyzed by which enzyme in the Calvin cycle is unlikely to be a regulatory step?

Cyanobacteria have evolved photosynthetic features not found in green sulfur bacteria. These include

Which is not a substance produced from the carbon dioxide assimilated via the Calvin cycle?

The synthesis of sucrose in plants occurs in the .

Introduction to Biochemistry

Water

Amino Acids and the Primary Structures of Proteins

Proteins: Three-Dimensional Structure and Function

Properties of Enzymes

Mechanisms of Enzymes

Coenzymes and Vitamins

Carbohydrates

Lipids and Membranes

Introduction to Metabolism

Glycolysis

Gluconeogenesis, the Pentose Phosphate Pathway, and Glycogen Metabolism

The Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Lipid Metabolism

Amino Acid Metabolism

Nucleotide Metabolism

Nucleic Acids

Dna Replication, Repair, and Recombination

Transcription and Rna Processing

Protein Synthesis

Recombinant Dna Technology

Filters

On a hot summer day which would you expect about the ratio of oxygenation versus carboxylation of ribulose 1,5-bisphosphate in C₃plants as compared to a cooler day?