Valium is a drug that causes voltage-gated Cl? channels to open. What effects would this cause in a

postsynaptic membrane?



What will be an ideal response?


Valium would cause hyperpolarization in the postsynaptic membrane. Thus, it would take more
frequent, or a greater number, of EPSPs to generate an action potential in a postsynaptic membrane.

Biology & Microbiology

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A molecule that binds to an enzyme at a location other than the active site and thereby alters the enzyme's shape, making it inactive or less active is a(n) ________ inhibitor.

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

Biology & Microbiology

Symptoms of phenylketonuria (PKU) may be minimized or suppressed by a diet low in

a. serine. b. glycine. c. phenylalanine. d. proline. e. glutamic acid.

Biology & Microbiology

Most types of communication between cells utilize _____

A) the exchange of cytosol between the cells B) the movement of the cells C) chemical or electrical signals D) the exchange of DNA between the cells

Biology & Microbiology

The AUC and AUA codons in mRNA both specify isoleucine. What feature of the genetic code explains this?

a.) complementarity b.) nonsense codons c.) universality d.) degeneracy

Biology & Microbiology