Exam 28: Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

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Consider the following reaction sequence. -Which of the following is(are) involved in the breaking down of di- and polysaccharides to monosaccharides?

(Multiple Choice)

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Question 61

How many amino acids are glucogenic but not ketogenic?

(Multiple Choice)

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Question 62

In the transport mechanism which operates in the heart and liver, how many ATP molecules are produced for each NADH + H⁺?

(Multiple Choice)

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Question 63

The enzyme phosphoglycerate mutase promotes which of the following?

(Multiple Choice)

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Question 64

Carbamoyl phosphate is formed in which region(s) of the cell?

(Multiple Choice)

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Question 65

Which of the following gases is produced during the conversion of pyruvate of acetyl coenzyme A?

(Multiple Choice)

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Question 66

Which of the following is not involved in the hydrolysis of proteins?

(Multiple Choice)

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Question 67

Which of the following is true of pyruvate kinase?

(Multiple Choice)

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Question 68

Since naturally occurring fatty acids contain an even number of carbon atoms, the number of carbon atoms in such compounds can be expressed as 2n. How many turns of the β-oxidation cycle occur during the breakdown of a fatty acid which contains 2n carbon atoms?

(Multiple Choice)

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Question 69

Which of the following enzymes is found in the stomach?

(Multiple Choice)

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Question 70

Which of the following is the main agent used to keep hemoglobin in its reduced form?

(Multiple Choice)

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Question 71

The following fatty acid undergoes two loops of the β-oxidation spiral. What is the value of n in the formula of the product shown below at this point?

(Multiple Choice)

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Question 72

The conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate produces which of the following?

(Multiple Choice)

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Question 73

Complete metabolism of which of the following fatty acids will yield the most ATP molecules per carbon atom?

(Multiple Choice)

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Question 74

Which of the following enzymes is found in the stomach?

(Multiple Choice)

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Question 75

The urea cycle does which of the following?

(Multiple Choice)

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Question 76

How many amino acids are ketogenic but not glucogenic?

(Multiple Choice)

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Question 77

When one molecule of glucose undergoes glycolysis, two molecules of 1,3-bisphosphoglycerate are produced; these are then dephosphorylated to yield two pyruvates. How many molecules of ATP are produced by the dephosphorylation of two molecules of 1,3-bisphosphoglycerate to yield two pyruvates?

(Multiple Choice)

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Question 78

In a fatty acid which carbon atom is the β-carbon?

(Multiple Choice)

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Question 79

Which of the following cannot be converted to a form which can enter the glycolysis pathway?

(Multiple Choice)

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Question 80

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Exam 28: Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Consider the following reaction sequence. -Which of the following is(are) involved in the breaking down of di- and polysaccharides to monosaccharides?

How many amino acids are glucogenic but not ketogenic?

In the transport mechanism which operates in the heart and liver, how many ATP molecules are produced for each NADH + H+?

The enzyme phosphoglycerate mutase promotes which of the following?

Carbamoyl phosphate is formed in which region(s) of the cell?

Which of the following gases is produced during the conversion of pyruvate of acetyl coenzyme A?

Which of the following is not involved in the hydrolysis of proteins?

Which of the following is true of pyruvate kinase?

Since naturally occurring fatty acids contain an even number of carbon atoms, the number of carbon atoms in such compounds can be expressed as 2n. How many turns of the β-oxidation cycle occur during the breakdown of a fatty acid which contains 2n carbon atoms?

Which of the following enzymes is found in the stomach?

Which of the following is the main agent used to keep hemoglobin in its reduced form?

The following fatty acid undergoes two loops of the β-oxidation spiral. What is the value of n in the formula of the product shown below at this point?

The conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate produces which of the following?

Complete metabolism of which of the following fatty acids will yield the most ATP molecules per carbon atom?

Which of the following enzymes is found in the stomach?

The urea cycle does which of the following?

How many amino acids are ketogenic but not glucogenic?

When one molecule of glucose undergoes glycolysis, two molecules of 1,3-bisphosphoglycerate are produced; these are then dephosphorylated to yield two pyruvates. How many molecules of ATP are produced by the dephosphorylation of two molecules of 1,3-bisphosphoglycerate to yield two pyruvates?

In a fatty acid which carbon atom is the β-carbon?

Which of the following cannot be converted to a form which can enter the glycolysis pathway?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes and Alkynes

Benzene and Its Derivatives

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Biosynthetic Pathways

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In the transport mechanism which operates in the heart and liver, how many ATP molecules are produced for each NADH + H⁺?