What secretes melatonin, a hormone that promotes sleep, in human beings?

a. pineal gland
b. suprachiasmatic nucleus
c. crepuscular gland
d. biological clock
e. hypothalamus


A

Biology & Microbiology

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A technique that separates a readable pattern of DNA fragments is ________.

A. genetic engineering B. biotechnology C. recombinant DNA D. gel electrophoresis E. gene probes

Biology & Microbiology

Which of the following is diploid in the life cycle of

a basidiomycete? a. spore b. dikaryotic hyphae c. zygote d. gamete e. mushroom

Biology & Microbiology

All steroid hormones are synthesized from ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following is defined as the ability to make an object appear larger?

a. personalization b. overgeneralization c. procrastination d. magnification

Biology & Microbiology