In addition to peptidoglycan, the cell walls of gram-positive bacteria contain
a) mannan.
b) teichoic acid.
c) cellulose.
d) chitin.
Ans: b) teichoic acid.
Biology & Microbiology
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A. strep throat. B. AIDS. C. polio. D. small pox. E. measles.
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The ____ is/are responsible for closing off the airway during swallowing
a. larynx b. epiglottis c. pharynx d. intercostal muscles e. pleura
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A ____ is required to transfer genes from one organism to another
a. vector b. reverse transcriptase c. transport molecule d. genetic probe e. PCR device
Biology & Microbiology