j2az5zaraygJoang j2az5zaraygJoang

17-02-2016
Biology

contestada

A retrovirus
a. is a primitive virus.
b. has a genome made of RNA.
c. has the simplest of all protein coats.
d. was discovered before any other virus.

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Аноним Аноним

11-01-2019

The letter is B

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