Which virus results in shingles when it is reactivated with peripheral nerves?
A) rubeola
B) varicella-zoster
C) HSV-1
D) variola major
E) rubella
Answer: B
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Explain what happens when NaCl and other salts build up in soils?
What will be an ideal response?
How could an embryonic stem cell be used to repair a severed spine?
A) Embryonic stem cells secrete proteins that repair all other cell types, including nerve cells. B) Embryonic stem cells can grow into any other cell type, including a nerve cell. C) Embryonic stem cells can cause any other cell type to multiply. D) Embryonic stem cells are primarily involved with neural growth and development.
Fast-twitch muscle fibers, such as those that predominate in the legs of sprinters, ________ than slow-twitch fibers, which predominate in the legs of marathon runners
A) have a greater blood supply B) contain higher levels of myoglobin C) contain fewer mitochondria D) produce more ATP
To identify an individual through DNA analysis of his or her blood at crime scenes, investigators look for patterns based on:
A) probes. B) short tandem repeats in the DNA. C) transgenic fragments. D) primers.