The most commonly reported STI in the United States is ________.

A. gonorrhea
B. syphilis
C. HIV infection
D. Chlamydia infection
E. genital herpes


Answer: D

Biology & Microbiology

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In an ATP molecule, the phosphates are bonded to the adenine ring.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Repeating the sequence of the polymerase chain reaction doubles the number of DNA fragments each time

a. True b. False

Biology & Microbiology

Which of the following is an example of an exotoxin?

A) neurotoxin B) coagulase C) lipid A D) streptokinase E) collagenase

Biology & Microbiology

Examples of mammalian RNA editing involve

a. the addition of a single base, resulting in a frame shift for translation. b. the addition of many uridines using a guide RNA. c. deamination of adenosine leading to a codon substitution. d. the deletion of introns. e. the deletion of sections of exons.

Biology & Microbiology