The first antibiotic to be characterized was a

A) cephalosporin.
B) quinolone.
C) ?-lactam.
D) macrolide.


Answer: C

Biology & Microbiology

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The process of making multiple copies of a gene by inserting it into a host genome and culturing the host is an example of _____

a. PCR b. STR analysis c. gene cloning d. whole-genome shotgun method

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All of the following are effective for destroying prions EXCEPT

A) boiling. B) incineration. C) NaOH + autoclaving at 134°C. D) proteases. E) None of the answers are correct; each of these will destroy prions.

Biology & Microbiology

During _________ solutes move inside the cell, but during _______ solutes move outside the cell.

a. endocytosis; exocytosis b. pinocytosis; phagocytosis c. exocytosis; endocytosis d. receptor-mediated endocytosis; pinocytosis

Biology & Microbiology

What technique allows an investigation of the microheterogeneity of a membrane so that one can see localized differences in different parts of the membrane?

a) circular dichroism b) tasty-freeze replication c) freeze-fracture replication d) X-ray crystallography e) freeze-denture replication

Biology & Microbiology