Question

question 1 (1 point)
what is not a reason why we use rna not dna for protein synthesis

a rna can be damaged outside of the nucleus
b dna can be damaged outside of the nucleus
c the smaller rna is able to be read more quickly than the long coiled dna
d we can make many copies of rna from dna

Explanation:

• Option b: DNA being vulnerable to damage outside the nucleus is a key reason we use RNA (which can safely travel to the cytoplasm for protein synthesis) instead of sending DNA out, so this is a valid reason.
• Option c: RNA's smaller size allows faster reading, which supports using it over larger, coiled DNA for protein synthesis, so this is a valid reason.
• Option d: Making multiple RNA copies from DNA enables efficient mass production of proteins, which is a valid reason for using RNA.
• Option a: RNA being prone to damage outside the nucleus is not a positive reason for using it; it is a drawback, so this is NOT a reason we use RNA instead of DNA.

Answer:

a. RNA can be damaged outside of the nucleus