Which is a basic unit of a sugar molecule?

A) amino acid

B) fatty acid

C) monosaccharide

D) nucleotide

Which nitrogen base replaces thymine (T) in RNA?

A) uracil (U)

B) cytosine (C)

C) adenine (A)

D) guanine (G)

Which is a carbohydrate?

A) nucleic acid

B) polysaccharide

C) amino acid

D) nucleotide

What kinds of lipids make up the bilayer that forms cell membranes?

A) phospholipids

B) saturated fats

C) steroids

D) unsaturated fats

How does an enzyme's active site relate to its substrate?

A) One is soluble in water, and the other is insoluble.

B) They are identical in chemical makeup.

C) Their shapes fit snugly together.

D) They are both used up by a single chemical reaction.

Question

Hana Harrell

10 October, 02:55

+5

Answers (1)

Know the Answer?

Mohamed Dawson · Answer 1

1. C) monosaccharide

2. A) uracil (U)

3. B) polysaccharide

4. A) phospholipids

5. C) Their shapes fit snugly together