The phenomenon where the level of gene expression is controlled so that genes can be expressed at high or low levels is called gene __________.

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


Answer: regulation

Biology & Microbiology

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If one strand of a DNA molecule has the sequence of bases 5'ATTGCA3', the other complementary strand would have the sequence _____

A) 5'TAACGT3' B) 5'TGCAAT3' C) 5'UAACGU3' D) 3'UAACGU5' E) 5'UGCAAU3'

Biology & Microbiology

An r-strategist will typically:

A. produce many offspring. B. produce small offspring. C. provide abundant parental care. D. produce many small offspring. E. produce many small offspring and provide abundant parental care.

Biology & Microbiology

Euglenoids live in freshwater; a __________ rids them of excess water. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

The acrosome contains enzymes that:a

digest the zona pellucida. b. digest the endometrium. c. stimulate ovulation. d. stimulate sperm motility. e. inhibit premature ejaculation.

Biology & Microbiology