Answer the question using the accompanying figure. If an antibody serves as a B-cell receptor, it will bind to the host
cell membrane via region number____.
a. 1
b. 2
c. 3
d. 4
e. 6
ANSWER: e
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Most nutrient absorption takes place in the (select all correct choices):
A. duodenum. B. jejunum. C. ileum. D. colon. E. appendix.
The Great Pacific Garbage Patch is a region of the north central Pacific where a high concentration of confetti-like
plastic particles swirl slowly around an area as large as the state of ____.
a. Alaska b. Idaho c. Rhode Island d. Texas e. Pennsylvania
Which of the following is a junction between two
neurons? a. Schwann cell b. chemical synapse c. unsheathed node d. sodium gate e. all of these
Maintaining the ozone layer is crucial for life because it
a. absorbs visible light. b. absorbs high-energy UV radiation. c. blocks high-energy IR radiation. d. blocks low-energy IR radiation. e. absorbs low-energy UV radiation.