The presence of hydrochloric acid in the stomach serves all of the following purposes EXCEPT
a. activates pepsinogen.
b. emulsifies fats.
c. inactivates amylase.
d. kills bacteria.
e. unfolds proteins.
B
Biology & Microbiology
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Which of the following is not one of the four tissue types?
A. muscle B. nervous C. epithelial D. connective E. squamal
Biology & Microbiology
An example of an organism's genotypic characteristic is its:
a. macroscopic morphologic structure. b. microscopic morphologic structure. c. nucleic acid composition. d. antigenic properties.
Biology & Microbiology
The appendix is a vestigial structure that extends off of the ____
a. cecum b. colon c. duodenum d. rectum e. stomach
Biology & Microbiology
Which of the following is not a major function of proteins in the cell membrane?
a. acting as receptors b. anchoring cells to other structures c. forming the entire glycocalyx d. forming channels
Biology & Microbiology