Charged amino acid is the correct answer to this
Answer: C
Explanation:
Viruses don't have cell walls that can be attacked by antibiotics; instead they are surrounded by a protective protein coat. Unlike bacteria, which attack your body's cells from the outside, viruses actually move into, live in and make copies of themselves in your body's cells
<em>a </em><em>blastocyst </em><em>comprises </em><em>of </em><em>about </em><em>200</em><em> </em><em>-</em><em> </em><em>300</em><em> </em><em>cells</em><em> </em><em>following </em><em>rapid </em><em>cleavage. </em>
The answer to your question is indeed <span>Precambrian. It lasted about 4 billon years.</span>