___ helps to transport hydrophillic substances to the interior of the cell


a. Cholesterol

b. Integral membrane protein

c. Peripheral membrane protein

d. all of the above


b. Integral membrane protein

Biology & Microbiology

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Morphology refers to the ____ of an organism

a. reproductive ability b. appearance c. differentiation d. lifespan e. movement

Biology & Microbiology

At a neruomusclular junction involving skeletal muscle, the acetylcholine receptor is a ______ channel.

A. voltage-gated Na+ B. anion C. cation D. two of the above

Biology & Microbiology

One form of hemophilia is caused by a sex-linked recessive gene. Assume that a man with hemophilia marries a phenotypically normal woman whose father had hemophilia

What is the probability that they will have a daughter with hemophilia? (Note: In this problem, you must include the probability of having a daughter in your computation of the final probability.) A) 1/4 B) 3/4 C) 1/8 D) 1/16 E) 1/2

Biology & Microbiology

Otoliths are involved in

A. balance. B. smell. C. taste. D. hearing. E. vision.

Biology & Microbiology