Human Physiology

Human Physiology: An Integrated Approach, 6e (Silverthorn)

Chapter 2 Molecular Interactions

1) Stanley Miller set out to demonstrate an explanation for the origins of organic molecules using a combination of simple organic molecules, heat and periodic burst of electricity through the mixture, ultimately producing what kind of molecules?

A) carbohydrates

B) amino acids

C) lipids

D) glycoproteins

E) nucleic acids

Answer: B

Section Title: Molecules and Bonds

Learning Outcome: 2.1

Skill: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)

2) Glycosylated molecules are those formed with which group of organic compounds?

A) lipids

B) nucleic acids

C) proteins

D) carbohydrates

E) lipoproteins

Answer: D

Section Title: Molecules and Bonds

Learning Outcome: 2.1

Skill: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)

3) Cells regulate their level of activity by regulating the amount of proteins present in the cell at any given time, so an up regulation of enzymes would be expected to

A) increase the level of productivity of chemical reactions that rely on them.

B) decrease the level of productivity of chemical reactions that rely on them.

C) increase the rate of reactions catalyzed by the enzymes.

D) decrease the rate of reactions catalyzed by the enzymes.

E) both decrease the level of productivity of chemical reactions that rely on them and decrease the rate of reactions catalyzed by the enzymes.

Answer: A

Section Title: Protein Interactions

Learning Outcome: 2.10

Skill: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)

4) When an enzyme reaches its saturation point,

A) the amount of substrate for the enzyme to act upon is very high.

B) the amount of substrate for the enzyme to act upon is very low.

C) the amount of product produced continues to increase.

D) the amount of product produced by the enzyme decreases.

E) the amount of substrate for the enzyme to act...