Red blood cells are biconcave. Their shape is determined by interior proteins anchored to the membrane termed

A. phospholipids.
B. clathrins.
C. actin filaments.
D. cytoskeleton.
E. spectrins.


Answer: E

Biology & Microbiology

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Alzheimer disease has two forms: the early onset _____________________ form with a strong pattern of familial inheritance, and the late onset _____________________ form

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Which of the following is the effect of atrazine

on cells?

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HIV cannot be transmitted sexually

a. true b. false

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