________ hormones bind with an intracellular receptor to form a ________, which activates specific genes.

A. Nonsteroid; DNA-mRNA complex
B. Nonsteroid; receptor-hormone complex
C. Steroid and thyroid; DNA-mRNA complex
D. Steroid and thyroid; receptor-hormone complex


Answer: D

Anatomy & Physiology

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In the experiment on stimulation of the isolated sciatic nerve, the compound action potential increases in amplitude with an increase in stimulation voltage. This is due to ________

A) recruitment of large diameter axons followed by small diameter axons in the nerve B) increase in the size of action potentials produced be each individual axon in the nerve C) recruitment of small diameter axons followed by large diameter axons in the nerve D) simultaneous recruitment of small and large diameter axons in the nerve

Anatomy & Physiology

At what level of organization is a tooth?

A.  Tissue level?B.  Cell level?C.  Organ level?D.  System level?E.  Atomic level

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An organism's ability to use energy in order to swim is an example of ________.

A. organization B. maturation C. responsiveness D. development E. metabolism

Anatomy & Physiology

Give the term for the "study of tissues."

A) cytology B) histology C) embryology D) pathology E) neurology

Anatomy & Physiology