Antibody-mediated immunity is created by

a. "killer" T cells.
b. dendritic cells.
c. helper T cells.
d. B cells.
e. phagocytes.


D

Biology & Microbiology

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In the fungus pictured, which of the following structures is indicated by B?

A. hyphae B. mycelium C. fruiting body D. spores E. rhizoid

Biology & Microbiology

Points of control in eukaryotic gene expression include

_____ RNA processing. _____ translation. _____ transcription. _____ post-translation.

Biology & Microbiology

________ and ________ groups are negatively charged functional groups of carbon, whereas the ________ group is a positively charged functional group.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Thick, water-storing leaves and stems and shallow, spreading roots are adaptations to

A) deserts. B) tropical rain forests. C) northern coniferous forests. D) tropical scrub forests. E) temperate deciduous forests.

Biology & Microbiology