Which molecules have repair mechanisms in most cells?
A)DNA.
B)RNA.
C)Proteins.
D)DNA and proteins.
E)DNA,RNA and proteins.

Question

Quizplus · Accepted Answer

Most cells have repair mechanisms for DNA, as it is constantly exposed to damages from internal and external factors such as chemicals, radiation and replication errors. Repair mechanisms for RNA and proteins are not as common or extensively documented as those for DNA.

Which Molecules Have Repair Mechanisms in Most Cells