Parathyroid hormone also activates ________ in the kidneys.

A. vitamin D
B. vitamin C
C. vitamin B
D. calcium
E. cholesterol


Answer: A

Biology & Microbiology

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A study revealed differences in DNA methylation patterns between monozygotic twins, only one of whom was affected by a schizophrenia or bipolar disorder. This suggests a role for ____ in mental illness

Fill in the blank(s) with correct word

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Which strain of Escherichia coli may be involved in foodborne infection?

A. HB101 B. M309 C. AB220 D. O157:H7

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Charles Darwin's observations while aboard the HMS Beagle led eventually to the:

a. idea that life started on land. b. theory that life's origin was in fresh water. c. theory for the process that causes evolution. d. re-birth of marine biology. e. idea that life could not survive in the deep sea.

Biology & Microbiology

Methylmalonic acidemia (MMA) is caused by the inability to metabolize amino acids and fats

a. True b. False

Biology & Microbiology