Which of the following cells are a major reservoir for and distributor of HIV?

A. helper T cells
B. B lymphocytes
C. cytotoxic T cells
D. infected dendritic cells
E. monocytes and macrophages


Answer: E

Biology & Microbiology

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Describe the life cycles of animals, plants/some fungi, and other fungi/algae with respect to the amount of time each

type of organism spends in their haploid and diploid phases. Also indicate whether those haploid and diploid phases are unicellular or multicellular.

What will be an ideal response?

Biology & Microbiology

An adult who is suffering from hyperthyroidism:a

is always tired. b. is often hungry. c. is overweight. d. is mentally slow. e. shows a lack of emotions.

Biology & Microbiology

Each of the following is a good functional match between animal and plant extracellular structures or fibers except

A) elastins–extensins. B) extracellular matrix–cell wall. C) collagens–cellulose. D) proteoglycans–hemicelluloses. E) fibronectins–pectins.

Biology & Microbiology

Which is a unique adaptation in insects not found in any other arthropod?

a. wings b. cephalization c. segmentation d. hard exoskeletons e. specialized mouthparts

Biology & Microbiology