Codons are found in
A) rRNA.
B) mRNA.
C) tRNA.
D) all of the above
Ans: B) mRNA.
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Plant cell growth is confined to:
A. flowers. B. meristems. C. within the cell walls. D. photosynthetically active tissues.
If the layer of wax was removed from the
surface of an apple while leaving the skin intact,
a. the apple would turn green. b. the apple would lose water and dehydrate. c. the apple would grow larger without that restriction. d. all of these would happen. e. nothing would happen
A population of deer is sampled. 25 deer are caught and tagged. Two months later, the researchers
return and find that 4 of the 16 deer they observe have tags. This would suggest a total population size of what number? Explain your answer. What will be an ideal response?
What is one of the most important survival mechanisms of tubercular bacteria within the body?
A. Eludes killing by the alveolar macrophages (white blood cells of the lung) by preventing fusion of lysosomes with the phagosome B. Eludes the immune system by killing the white blood cells wuickly C. Eludes killing by alveolar macrophages by secreting a toxin that kills these cells D. Eludes the immune system by constant changing protein coats (antigens)