Homework Answers
a. The viruses with single stranded RNA as their genome for which the nucleotide sequence is the same as the viral mRNA are said to be plus stranded viruses.
Explaination:
Plus strand is called as sense strand which carries the genetic information. The sequence of sense strand is same as the mRNA which code a protein.
Therefore, such viruses are called as plus stranded viruses.
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b. The answer is Ribosomes.
Explaination:
The viruses reproduce by means of lysogeny and lyric cycle. It occurs in 5 steps:
1. Attachment of virus to the host cell.
2. Entry of viral genetic material into host cell.
3. Viral genome integrates into host genome and produces viral proteins by using ribosomes of host cell.
4. Viral proteins assemble to form a complete virus.
5. Release of viruses from host cell.
=======================================
d. The answer is D. Reverse transcriptase and E. Integrate.
Explaination:
Reverse transcriptase is used for the conversion of single stranded RNA into double stranded proviral DNA.
Integrate is used for integration of proviral DNA into host cell genome.
Add Answer to:
a,b and d please
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