1) Humans and mice differ because

1. A) their cells have different small organic molecules.
2. B) their cells make different types of large biological molecules.
3. C) their cells make different types of lipids.
4. D) their cells have some differences in the sequence of nucleotides in their nucleic acids.
5. E) their cells make different types of proteins.

Answer:

Topic: Concept 5.1

Skill: Knowledge/Comprehension

2) Molecules with which functional groups may form polymers via dehydration reactions?

1. A) hydroxyl groups
2. B) carbonyl groups
3. C) carboxyl groups
4. D) either carbonyl or carboxyl groups
5. E) either hydroxyl or carboxyl groups

Answer:

Topic: Concepts 5.1, 4.3

Skill: Application/Analysis

3) Which of these molecules is not formed by dehydration reactions?

1. A) fatty acids
2. B) disaccharides
3. C) DNA
4. D) protein
5. E) amylose

Answer:

Topic: Concept 5.1

Skill: Knowledge/Comprehension