If you worked at a factory that required shift work at night and you slept during the day, which hormone's production would be altered?

a. thyroid hormone
b. melatonin
c. calcitonin
d. cortisol
e. insulin


b

Biology & Microbiology

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Which of the following diseases is a synonym for ringworm infection of the nails?

A) tinea barbae B) tinea cruris C) tinea nigra D) tinea unguium

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How many genes does a human X chromosome carry?

a. 100 b. 1,400 c. 2,800 d. 14,000 e. 28,000

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At the beginning of each ovarian cycle, which one of the following hormones causes the development of a primary oocyte?

A) estrogen B) LH C) prolactin D) progesterone E) FSH

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Which of the following describes the composition of a nucleotide?

a. a five-carbon sugar, a phosphate group, and one of four amino acids b. a five-carbon sugar, a nitrogenous base, and one of twenty amino acids c. a five-carbon sugar, a phosphate group, and one of four nitrogenous bases d. a six-carbon sugar, a phosphate group, and one of twenty amino acids

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