Chapter 21: Metabolism

Chapter 21: Metabolism

University

8 Qs

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Chapter 21: Metabolism

Chapter 21: Metabolism

Assessment

Quiz

Other

University

Hard

Created by

anna parsons

Used 5+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement is FALSE?

A) ATP synthase forms ATP at the mitochondrion's inner membrane as protons diffuse into the matrix

B) Copper is the only metal present in some of the complexes of the ETC

C) the ETC takes place in the inner membrane of the mitochondria

D) The ETC is the "preferred" dumping ground for electrons in terms of utilizing their energy for ATP synthesis.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement is FALSE?

A) Proteolysis liberates amino acids from a polypeptide.

B) Lipogenesis is an anabolic process.

C) Proteolysis is an anabolic process

D) Glycogenesis stores glucose molecules

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement is FALSE?

A) Losing body heat faster than it is being generated would likely cause the body to attempt to increase its metabolic rate.

B) The amount of volume relative to surface area for an infant is lower than that of an average adult.

C) Respirometers measure metabolic rate indirectly by relating oxygen consumption to calories burned.

D) An infant loses less calories of heat/unit size/unit time to the atmosphere compared to that of an average adult.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement is FALSE?

A) The smell of ketones on one’s breath could suggest that the person is utilizing glucose as a primary source of energy.

B) Ornithine is more related to protein metabolism than to fat metabolism.

C) Ketones form from acetyl compounds made during decarboxylation of pyruvate and from beta-oxidation

D) In brown fat, an electron derived from glycolysis provides energy for only two proton pumps in an ETC.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Glucose is absorbed with _____ through a symporter carrier protein.

A) Sodium

B) NAD+

C) fructose

D) NADH

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement is FALSE?

A) The Krebs cycle relies on molecular oxygen indirectly

B) The Krebs cycle relies on molecular oxygen directly

C) The acetyl CoA molecules that form from pyruvate molecules and enter the Krebs cycles are formed in the mitochondria.

D) Krebs cycles will not continue to occur unless there is molecular oxygen available in the mitochondrion.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement is FALSE?

A) NADH in the cytosol is oxidized either by a shuttle system in the mitochondrion or through fermentation

B) The Krebs cycle causes FAD to become oxidized to form FADH2.

C) Certain citric acid cycle reactions release electrons that may be picked up by either NAD+ or FAD.

D) Enzymes oxidize compounds in glycolysis and the Krebs cycle and donate those electrons to coenzymes.

8.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement is FALSE?

A) Glycogen phosphorylase adds a phosphate group to glucose molecules when they are removed from glycogen.

B) ADP gains a phosphate molecule via substrate-level phosphorylation from GTP that was made in the Krebs cycle.

C) Kinases are enzymes that add phosphate groups to molecules

D) Coenzyme A binds with citric acid in the Krebs cycle.