The __________ governs expression of three genes active in lactose metabolism. Fill in the blank(s) with the appropriate word(s)
ANSWER: lactose operon
Biology & Microbiology
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A transmembrane protein differs from other membrane proteins because it:
a. completely extends through the membrane. b. is a glycoprotein with carbohydrates attached. c. is completely embedded within the membrane. d. is attached to the inside of the membrane by an ionic bond. e. is covalently linked to the outer surface of the plasma membrane.
Biology & Microbiology
One-millionth of a meter is called a
A) centimeter. B) decimeter. C) micrometer. D) millimeter. E) nanometer.
Biology & Microbiology
Which of the following is associated with the Calvin-Benson cycle?
A) acetyl-CoA B) TMAO C) RuBP D) FADH2 E) PABA
Biology & Microbiology
What process does wine go through in order to prevent it from turning to vinegar?
A. Filtration B. Pasteurization C. Irradiation D. Distillation E. Autoclaving
Biology & Microbiology