The removal of the ____ gland(s) will disrupt
normal blood clotting and muscle contraction.
a. thymus
b. thyroid
c. pituitary
d. parathyroid
e. pancreas
D
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Which strategy can be used for regulation of metabolism?
A. Feedback inhibition B. Regulation of enzyme synthesis C. Covalent modification of enzymes D. Allosteric regulation E. All of the choices are correct.
Betapropiolactone is not as useful as ethylene oxide as a sterilizing agent because it does not penetrate materials as readily as ethylene oxide.
Answer the following statement true (T) or false (F)
To join a fragment of human DNA to bacterial or yeast DNA, both the human DNA and the bacterial or yeast DNA must first be treated with the same
A) DNA ligase. B) DNA gyrase. C) restriction enzyme. D) DNA polymerase.
What name is give to a proposed explanation for a set of observations?
A. observation B. experiment C. theory D. hypothesis