Inhibition of the metabolism of alternative carbon sources by glucose is called
A. induction.
B. epigenetic control.
C. corepression.
D. catabolite repression.
Ans: D. catabolite repression.
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The phosphorylation of eIF2 inhibits translation initiation by:
A. inhibiting GTP hydrolysis by eIF2. B. enhancing the binding of eIF2-GDP for the initiator tRNA. C. targeting the protein for degradation. D. sequestering the available eIF2B protein.
The outer main section of the kidney is the
A. renal periphery. B. renal medulla. C. renal cortex. D. glomerulus. E. collecting duct.
What is the outcome of these isoclines?
A) Species 2 wins. B) If species 1 begins with a higher abundance, it wins. C) If species 2 begins with a higher abundance, it wins. D) Species 1 wins.
A woman heterozygous for blood type A and a man with blood type AB are expecting a child. The probability of the child having type B blood is
A. 0. B. 1/4. C. 1/2. D. 3/4.