Why are viruses referred to as obligate parasites?
A) They cannot reproduce outside of a host cell.
B) Viral DNA always inserts itself into host DNA.
C) They invariably kill any cell they infect.
D) They can incorporate nucleic acids from other viruses.
E) They must use enzymes encoded by the virus itself.
Correct Answer:
Verified
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A)misfolded versions of normal brain
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