When a catecholamine or peptide hormone binds to receptors on the surface of a cell, the
A) hormone receptor complex moves into the cytoplasm.
B) cell membrane becomes depolarized.
C) second messenger appears in the cytoplasm.
D) cell becomes inactive.
E) hormone is transported to the nucleus where it alters the activity of DNA.
C
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Aldosterone is a steroid hormone that is produced only in ____________
Fill in the blank with the correct word.
Weak acids are able to act as chemical buffering systems for the body because they only partially dissociate
Indicate whether the statement is true or false
Chromium is
A) a minor essential element. B) a dietary supplement with no natural role in the body. C) a major essential element. D) None of the answers are correct.
Identify the correct statement(s):
a. Heat generation decreases after a person eats a meal. b. Four calories are released for every gram of glucose oxidized. c. In general, 4.8 calories (not Kcal) are liberated for every milliliter of O2 consumed d. Thyroid hormone is not the primary determinant of BMR. e. Both a and b