The binding of _______________ to the Lac repressor causes the protein to dissociate from the operator

A. lactose
B. glucose
C. fructose
D. allolactose


D

Biology & Microbiology

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In the flower diagram shown above, the item labeled "3" is a(n)

a. anther. b. receptacle. c. style. d. stigma. e. filament.

Biology & Microbiology

Which of the following is the most effective

contraceptive approach of those listed?

a. withdrawal b. diaphragm c. condoms d. douching e. rhythm method

Biology & Microbiology

Rheumatoid arthritis affects the area indicated by

a. A. b. B. c. C. d. D. e. E.

Biology & Microbiology

Most of the diseases caused by the members of the family Rickettsiaceae require a vector for the transmission of the diseases. Which of the following diseases does not require an arthropod vector?

A. Q Fever B. Rocky Mountain Spotted Fever C. Ehrlichiosis D. Epidemic Typus E. Endemic Typhus

Biology & Microbiology