Answer:
100,000th of a meter which is B
I think you might be thinking of the different folding patterns of proteins. It begins with primary structure, then secondary, then tertiary, and finally quaternary.
Answer:
The capsid has three functions: 1) it protects the nucleic acid from digestion by enzymes, 2) contains special sites on its surface that allow the virion to attach to a host cell, and 3) provides proteins that enable the virion to penetrate the host cell membrane and, in some cases, to inject the infectious nucleic
Explanation:
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