Which one of the following causes the release of epinephrine and norepinephrine from the adrenal medulla?
A) ACTH from the anterior pituitary
B) AMTH form the anterior pituitary
C) releasing hormone from the hypothalamus
D) sympathetic nerves
E) parasympathetic nerves
D
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The stomach
a. is a non-elastic sac. b. secretes enzymes that begin to break down fats. c. secretes enzymes that begin to break down proteins. d. is surrounded by three layers of skeletal muscle. e. fits all of these descriptions
Generally, blue eyes are recessive to dark brown eyes in humans. Individuals with albinism typically have blue eyes with a strong red reflection. A blue-eyed woman with albinism marries a man who is blue-eyed but does not have albinism
All their children have dark brown eyes. How can this be explained?
Refer to Figure 44-3. Which structure would carry blood to the systemic (body) circulation?
a. 1 b. 2 c. 6 d. 7 e. 14
Gene regulation in eukaryotes
a. is simpler than in prokaryoes b. including the actions of an operator region c. allows for cell specialization d. usually involves operons