Acne is caused by problems with the:

A) sebaceous glands. B) endocrine glands. C) hair follicles. D) sweat glands.


Answer: A

Biology & Microbiology

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Cognitive learning includes

A. perception. B. analysis. C. judgment. D. recollection. E. All of these choices are correct.

Biology & Microbiology

Phosphorus can be obtained from organic sources only.

Answer the following statement true (T) or false (F)

Biology & Microbiology

If a new bacterial pathogen entered a human body through an accidental needle stick, the first cell that would try to kill the pathogen would likely be

a. an antibody-producing cell. b a cytotoxic T cell. c. a phagocyte.

Biology & Microbiology

Chloroplasts differ from mitochondria in that the former have

A) DNA. B) two lipid bilayers. C) 70S ribosomes. D) thylakoids. E) cristae.

Biology & Microbiology