Exam 19: The Citric Acid Cycle

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Which group of small molecules best fit the boxes associated with the reaction shown? $Which group of small molecules best fit the boxes associated with the reaction shown? \begin{array} { l l l } & \text { a } & \text { b } \\ \text { I. } & \mathrm { NAD } ^ { + } & \mathrm { NADH } \\ \text { II. } & \mathrm { NADP } ^ { + } & \mathrm { NADPH } \\ \text { III. } & \mathrm { ADP } ^ { + } + \mathrm { P } _ { i } & \mathrm { ATP } ^ { \mathrm { IT } } \\ \text { IV. } & \mathrm { FAD } &\ { \mathrm { FADH } } \end{array}$ a b I. II. III. + IV. \

(Multiple Choice)

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Question 21

Each of the enzymes of the pyruvate dehydrogenase complex requires a different vitamin.

(True/False)

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Question 22

Exhibit 19A The following compounds are all intermediates in the citric acid cycle. -Refer to Exhibit 19A. Which intermediate becomes bonded to Coenzyme A during the cycle?

(Multiple Choice)

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Question 23

The conversion of citrate to isocitrate is remarkable because

(Multiple Choice)

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Question 24

The glyoxylate pathway bypasses part of the citric acid cycle by converting isocitrate to glyoxylate and

(Multiple Choice)

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Question 25

Exhibit 19A The following compounds are all intermediates in the citric acid cycle. -Refer to Exhibit 19A. Which intermediate does FAD oxidize?

(Multiple Choice)

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Question 26

The acetyl group is carried on lipoic acid as

(Multiple Choice)

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Question 27

The immediate electron acceptor for the majority of the oxidative reactions of the citric acid cycle is

(Multiple Choice)

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Question 28

The intracellular site of the glyoxylate cycle is

(Multiple Choice)

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Question 29

Fluorine is related to the citric acid cycle because:

(Multiple Choice)

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Question 30

Which of the following cannot cross the inner mitochondrial membrane?

(Multiple Choice)

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Question 31

Which of the following statements concerning the citric acid cycle as the central metabolic pathway is true?

(Multiple Choice)

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Question 32

Most of the products of the catabolism of sugars, fats and amino acids enter the citric acid cycle as:

(Multiple Choice)

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Question 33

Which enzyme catalyzes the reaction shown?

(Multiple Choice)

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Question 34

Which of the following statements concerning the glyoxylate pathway is false?

(Multiple Choice)

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Question 35

In the glyoxylate cycle, acetyl-CoA reacts with glyoxylate to produce

(Multiple Choice)

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Question 36

A cell in an active metabolic state has

(Multiple Choice)

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Question 37

Which group of small molecules best fit the boxes associated with the reaction shown? $Which group of small molecules best fit the boxes associated with the reaction shown? \begin{array}{lll} & \mathbf{a} & \mathbf{b} \\ \hline \text { I. } & \mathrm{ADP}^{2}+2 \mathrm{P}_{i} & \mathrm{ATP} \\ \text { II. } & \mathrm{NAD}^{+} & \mathrm{NADH} \\ \text { III. } & \mathrm{ATP} & \mathrm{ADP}^{-2 \mathrm{P}_{i}} \\ \text { IV. } & \mathrm{FAD} & \mathrm{FADH}_{2} \end{array}$ I. +2 II. III. IV.

(Multiple Choice)

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Question 38

The conversion of malate to oxaloacetate has a high +ΔG (it is endergonic). It can take place because:

(Multiple Choice)

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Question 39

The reactions in which succinate is converted to oxaloacetate are, in order

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Question 40

Showing 21 - 40 of 80

Exam 19: The Citric Acid Cycle

Which group of small molecules best fit the boxes associated with the reaction shown? a b I. II. III. + IV. \

Each of the enzymes of the pyruvate dehydrogenase complex requires a different vitamin.

Exhibit 19A The following compounds are all intermediates in the citric acid cycle. -Refer to Exhibit 19A. Which intermediate becomes bonded to Coenzyme A during the cycle?

The conversion of citrate to isocitrate is remarkable because

The glyoxylate pathway bypasses part of the citric acid cycle by converting isocitrate to glyoxylate and

Exhibit 19A The following compounds are all intermediates in the citric acid cycle. -Refer to Exhibit 19A. Which intermediate does FAD oxidize?

The acetyl group is carried on lipoic acid as

The immediate electron acceptor for the majority of the oxidative reactions of the citric acid cycle is

The intracellular site of the glyoxylate cycle is

Fluorine is related to the citric acid cycle because:

Which of the following cannot cross the inner mitochondrial membrane?

Which of the following statements concerning the citric acid cycle as the central metabolic pathway is true?

Most of the products of the catabolism of sugars, fats and amino acids enter the citric acid cycle as:

Which enzyme catalyzes the reaction shown?

Which of the following statements concerning the glyoxylate pathway is false?

In the glyoxylate cycle, acetyl-CoA reacts with glyoxylate to produce

A cell in an active metabolic state has

Which group of small molecules best fit the boxes associated with the reaction shown? I. +2 II. III. IV.

The conversion of malate to oxaloacetate has a high +ΔG (it is endergonic). It can take place because:

The reactions in which succinate is converted to oxaloacetate are, in order

Biochemistry and the Organization of Cells

Water: the Solvent for Biochemical Reactions

Amino Acids and Peptides

The Three-Dimensional Structure of Proteins

Protein Purification and Characterization Techniques

The Behavior of Proteins: Enzymes

The Behavior of Proteins: Enzymes, Mechanisms, and Control

Lipids and Proteins Are Associated in Biological Membranes

Nucleic Acids: How Structure Conveys Information

Biosynthesis of Nucleic Acids: Replication

Transcription of the Genetic Code: Biosynthesis of RNA

Protein Synthesis: Translation of the Genetic Message

Nucleic Acid Biotechnology Techniques

Viruses, Cancer, and Immunology

The Importance of Energy Changes and Electron Transfer in Metabolism

Carbohydrates

Glycolysis

Storage Mechanisms and Control in Carbohydrate Metabolism

Electron Transport and Oxidative Phosphorylation

Lipid Metabolism

Photosynthesis

The Metabolism of Nitrogen

Integration of Metabolism: Cellular Signaling

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