Stomach motility
a. decreases following a heavy meal.
b. controls the amount of material leaving the pyloric sphincter.
c. is unaffected by emotional state or external environmental factors.
d. may be retarded when stretch receptors on the stomach wall are activated.
e. is increased by hormones released in response to high stomach acidity.
B
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A. near neutral (pH 7). B. slightly alkaline (pH 8-10). C. near their optimum growth pH. D. slightly acidic (pH 4-6).
The effect of red light on phytochrome is
indicated by a. A. b. B. c. C. d. D. e. none of these
Which of the following structures stores sperm while it matures?
A) vas deferens B) epididymis C) testes D) seminiferous tubules
What type of inheritance occurs when a pink rose results from a cross between a red-colored rose and a white-colored rose?
A) codominance B) incomplete dominance C) independent assortment D) sex linkage