While hormones can affect all types of target cells, neurotransmitters control:
A) Nerve, muscle, or gland tissue
B) Muscle or epithelial tissue
C) Gland and muscle tissue
D) Connective tissue
Ans: A) Nerve, muscle, or gland tissue
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Smell accounts for about _________________________ of what we think we taste.?
Fill in the blank(s) with correct word
________ hormones bind to a receptor on the ________, which releases an enzyme that converts ATP into cAMP.
A. Nonsteroid; nuclear membrane B. Steroid and thyroid; plasma membrane C. Nonsteroid; plasma membrane D. Steroid and thyroid; nuclear membrane
The expression of the ________ gene results in the production of proteins that stimulate synthesis of androgens that initiate development af a male phenotype
A. MDF B. SRY C. GRH D. YXP
Myocardial cells exhibit a plateau phase instead of quickly repolarizing. This is due to ________.
A. inward diffusion of sodium through fast Na+ channels B. inward diffusion of potassium through voltage-gated K+ channels C. inward diffusion of calcium through slow Ca2+ channels D. outward pumping of sodium by the Na+/K+ pump