The dorsal blood vessel is the structure labeled __________ in Figure 31-6



A. 1

B. 2

C. 3

D. 5

E. 6


B

Biology & Microbiology

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In the female reproductive cycle, the endometrium is thickest ____

a. during the menstrual phase b. during the proliferative phase

c. shortly before ovulation d. during ovulation e. during the secretory phase

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If all three enzymes catalyze the same reaction and your conditions require a pH of 7, the best enzyme

to use would be:

a. enzyme 1. b. enzyme 2. c. enzyme 3. d. either enzyme 2 or 3. e. both enzymes 2 and 3.

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Which components of an atom have negative

charges? I. electrons II. protons III. neutrons a. I only b. II only c. III only d. I and II e. II and III

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Protein that catalyzes a specific reaction; may be found in the plasma membrane or the cytoplasm of the cell.

What will be an ideal response?

Biology & Microbiology