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.
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.
The outer main section of the kidney is the
A. renal periphery. B. renal medulla. C. renal cortex. D. glomerulus. E. collecting duct.
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.