What are the two proteases in the small intestine that complete protein digestion?
a. aminopeptidase and dipeptidase
b. aminopeptidase and disaccharidase
c. nucleotidase and nucleosidase
d. dipeptidase and phosphatase
Answer: a. aminopeptidase and dipeptidase
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Which of the following is a component of the spore—or zygote—wall (in mosses, ferns, gymnosperms, and angiosperms) and helps prevent the desiccation of these structures?
A. sporangium B. sporopollenin C. chitin D. peptidoglycan E. sporangia
Imagine a red blood cell leaving the right ventricle of your heart. To which chamber of the heart will that cell return first?
A. right atrium B. right ventricle C. left atrium D. left ventricle E. impossible to say from information given
Penicillins, cephalosporin and vancomycin act through which of the following mechanisms?
A. disruption of bacterial membranes B. disruption of cell wla lsynthesis C. inhibition of DNA synthesis D. inhibition of mRNA synthesis E. inhibition of nucleotide synthesis
The anthrax attack of Fall 2001 was accomplished by mailing the agent in ordinary envelopes. This method of delivery took advantage of the ability of Bacillus anthracis to produce (aerosols/endospores/spores).
Fill in the blank(s) with the appropriate word(s).