Neurotransmitters categorized as inhibitory are expected to _____

A) act independently of their receptor proteins
B) close potassium channels
C) open sodium channels
D) hyperpolarize the membrane


D

Biology & Microbiology

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The stages of nuclear division include all of the following activities EXCEPT ____

a. movement of chromosomes into alignment on the metaphase plate b. separation of sister chromatids c. condensation of DNA into chromosomes d. cytokinesis e. disappearance of the nucleolus

Biology & Microbiology

Which is a part of the body's nonspecific defense mechanism?

A) skin B) T cells C) B cells D) antibodies

Biology & Microbiology

In solution, why do hydrolysis reactions occur more readily than condensation reactions?

A) Hydrolysis increases entropy and is exergonic. B) Hydrolysis raises G, or Gibbs free energy. C) Hydrolysis decreases entropy and is exergonic. D) Hydrolysis increases entropy and is endergonic.

Biology & Microbiology

Stringent safety rules are not necessary for recombinant DNA research because it is a natural process that occurs in the absence of human intervention

Indicate whether the statement is true or false

Biology & Microbiology