Down-regulation
a. refers to the expression of fewer receptors at the cell surface as part of a negative-feedback mechanism.
b. refers to the decrease in cortisol secretion that occurs as an animal's metabolism slows down to its basal level.
c. occurs in response to too little hormone reaching the target cells.
d. is an idiopathic response to endocrine disrupters.
e. occurs in response to the excretion of excess hormone by the kidneys.
A
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Uterine contractions that are irregular and brief that occur toward the end of gestation are called
A) parturition. B) expulsion. C) true labor. D) Braxton-Hicks. E) dilation.
When an animal's kidneys no longer function, it is said to be in ________________________________________ failure
Fill in the blank(s) with correct word
Which type of muscle fiber predominates in the leg muscles of endurance athletes, such as long-distance runners?
A) fast fibers B) slow fibers C) intermediate fibers
In coin toss experiments, as well as in traits inherited by children in the same family, each event is independent of all others; in other words, chance does not have a memory of previous events.
Answer the following statement true (T) or false (F)