A Negative sense RNA virus
A. is ready for immediate translation
B. must synthesize a negative RNA copy of its genome
C. must synthesize a positive RNA copy of its genome
D. is a special form of tRNA used by its virus
E. always codes for RNA polymerase
Ans: C. must synthesize a positive RNA copy of its genome
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Cell signaling during much of C. elegans development occurs along concentration gradients. What kind of signaling does this represent?
What will be an ideal response?
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