Taking this exam might have caused your adrenal cortex to produce cortisol, the most common glucocorticoid. Cortisol is usually produced in response to
A) a drop in blood pressure.
B) the release of adrenaline.
C) increased brain activity.
D) stress or anxiety.
E) inactivity.
D
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Illustrate and explain an operon that is subject to both positive and negative control containing the operator region, the operon, the promoter, the activator binding site, and the functional genes in a DNA sequence
Also compare and contrast the roles activators and repressors have in regulating the illustrated operon. What will be an ideal response?
Blanks "A" and "B" should be labeled respectively ____
a. does not gulp; loss b. does not gulp; gain c. gulps; loss d. gulps; gain
e. does not gulp; pumpWhich is the smallest unit of an element that retains
the properties of the element? a. atom b. compound c. ion d. molecule e. mixture
Explain the difference between an absolute and a relative refractory period. What will be an ideal response?