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
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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?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.
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.
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