QUESTION 7 Which enzyme is responsible for the synthesis of pre-mRNA? O A RNA po

Question

QUESTION 7 Which enzyme is responsible for the synthesis of pre-mRNA? O A RNA polymerase I O B RNA polymerase lII 0 C RNA polymerase III D RNA polymerase QUESTION 8 One of the concerns with GMO is the toxicity of product by GMO when consumed by humans. Suppose that the product is to block the 16S rRNA in the proakryotic small subunit, do you think it will have a high level of toxicity? Why? o A. Yes, because the genetic code is universal O B. No, because the genetic code is NEARLY universal 0 C No, because human ribosomes are different.

Explanation / Answer

7. option b is correct.

Pre mRNA is synthesized by RNA polymerase II. RNA polymerase is an enzyme which polymerizes the RNA.

8. option first is correct

genetic codes are universal hence the codes for particular amino acid.

9. option third is correct.

Here the idea is given that mutation occurred as a change in the amino acid.

and amino acids are coded by the coding sequences. so we can say that mutation occurred in coding sequence that is why amino acid is changed.

10 . inappropriate according to chegg guidelines.

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