Every protein is assembled on a(n) ____ according to instructions copied from ____, using ____ as an intermediate
a. mRNA; tRNA; DNA
b. tRNA; mRNA; DNA
c. ribosome; mRNA; tRNA
d. tRNA; DNA; mRNA
e. ribosome; DNA; mRNA
ANSWER: e
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Streptobacillus moniliformis is unusual in that it
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Summarize two pathways to colon cancer. What will be an ideal response?
On a remote island, a new animal is found. It has a four-chambered heart and lungs and is endothermic. It has internal fertilization, lays shelled eggs, and nurses its young after they hatch. This animal is most likely a(n)
A) monotreme. B) reptile. C) amphibian. D) coelacanth. E) marsupial.
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What will be an ideal response?