The lymph vascular system begins at
a. the heart.
b. the veins.
c. the arteries.
d. the arterioles.
e. the capillaries.
E
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Eutherian mammals are uniquely defined by:
A. having a placenta B. longer gestation periods because of more highly developed placentas C. having fur D. the young developing in a pouch E. laying eggs
The E-site
A. is found on the RNA polymerase enzyme. B. is responsible for the release of the tRNA. C. is found on the 35S polysome. D. is the aminoacyl site. E. is responsible for the release of the tRNA AND is the aminoacyl site.
Most antibiotics act by disrupting the ribosomes in bacterial protein synthesis. Why do antibiotics not disrupt the human patient’s protein synthesis as well?
a. The DNA in bacteria is highly specialized so the drugs only work on their DNA. b. Prokaryotes and eukaryotes go through different stages except elongation. c. Prokaryotic and eukaryotic ribosomes are very different from each other. d. Antibiotics do disrupt human protein synthesis, which is why we only take very low dosages.
Asexual reproduction is indicated by letter
a. A. b. B. c. C. d. D. e. E.