What is an important benefit of using condoms?
A. They prevent prostate cancer.
B. They can help prevent osteoporosis.
C. They help protect against STDs.
D. They have a failure rate of only 1%.
Answer: C
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What will be an ideal response?
Poliomyelitis is an RNA virus that can invade the nervous system and cause paralysis within a matter of hours. The nearly complete elimination of polio worldwide is due to
A. antibiotics. B. improved water quality. C. vaccination. D. quarantine. E. mosquito control.
What is the role of activated protein kinases?
A) Phosphorylate proteins. B) Degrade cAMP to AMP. C) Phosphorylate ADP to ATP. D) Convert ATP to cAMP by phosphorylation. E) Activate adenylate cyclase.
A chemical agent that kills pathogenic microbes in general is a(n)
A) sanitizer. B) germicide. C) disinfectant. D) fungicide. E) antiseptic.