In the absence of lactose, the repressor remains bound to the operator and preventing access of the RNA polymerase to the promoter. Transcription is blocked and the operon is repressed. In the presence of lactose, the repressor is inactivated form and does not bind to the operator.
ANSWER:
hamstring and gluteus
EXPLANATION:
While you run up to hit the ball, you take a final move, plant one foot and burden the other, drawing it backward for the stroke. The glutes and hamstrings, as well as the adductors, manage your hips. The hamstrings and quads flex and stretch your knees, and the plantar flexors flex your ankles. Your abs and lower back muscles support your trunk, and your deltoids adjust your shoulders square to the ball.
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The answer is B. Humid usually means it is hot or that there is moisture in the air.
I believe the answer is C. The weaker members may die out and the stronger members become the species