The primary targets for HIV are ____

a. helper T cells and macrophages
b. helper T cells and cytotoxic T cells
c. B cells, helper T cells, and cytotoxic T cells
d. B cells and helper T cells
e. B cells and macrophages


ANSWER: a

Biology & Microbiology

You might also like to view...

____ stimulates the growth of cells that will

produce milk proteins.

a. Estrogen. b. Prolactin. c. Oxytocin. d. Prostaglandin. e. Progesterone

Biology & Microbiology

Which of the following statements about the fundamental and realized niche are true? Check all that apply. 

_____ A species' realized niche could be the same size as its fundamental niche. _____ A species' realized niche could be smaller than its fundamental niche. _____ A species' fundamental niche can be smaller than its realized niche. _____ The extent of the realized niche is determined, in part, by interspecific competition. _____ The extent of the fundamental niche is determined, in part, by conditions of the physical environment.

Biology & Microbiology

Historically, most classification has been based on ________ similarity

Fill in the blank(s) with correct word

Biology & Microbiology

During translation, uncharged tRNA molecules leave the ribosome from this site.

A. P B. termination C. A D. E E. release

Biology & Microbiology