Parietal cells of the gastric glands in the stomach produce

A. chyme.
B. gastrin.
C. pepsinogen.
D. HCl (hydrochloric acid).


Ans: D. HCl (hydrochloric acid).

Biology & Microbiology

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Most systemic mycoses are acquired from ________.

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Which of the following strongly suggests that the membrane is exposed to low temperature?

a. Ions such as K+, Na+, and Ca+ begin to freely leak across the membrane. b. Molecular motion may increase. c. Molecular motion may decrease. d. The membrane may become too fluid.

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________ form when liquid stored in the gallbladder hardens into pieces of stonelike material

Fill in the blank(s) with the appropriate word(s).

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A pedigree of an autosomal dominant trait will likely show all of the following characteristics EXCEPT:

a) Skipping of a generation b) Equal numbers of males and females affected c) Unaffected individuals do not pass on the trait d) 1/2 of the offspring of an affected individual are usually predicted to have the trait

Biology & Microbiology