Polyproteins made from human viruses such as poliovirus must be ________ in order to yield the required functional units of the virus
A) able to interact with VPg proteins
B) chemically modified with either glycolation or methylation
C) post-translationally cleaved
D) properly folded into secondary and tertiary structures
Answer: C
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Which part of the muscle cell actually does the work of contraction by attaching, pivoting, and pulling?
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