The half-life of which of the following is likely to be shortest?
A) protein
B) lipid
C) carbohydrate
D) DNA
E) RNA

Question

Quizplus · Accepted Answer

RNA molecules have a shorter half-life than DNA because they are more susceptible to hydrolysis and other forms of degradation. RNA molecules are vulnerable to RNases, which are enzymes that break down RNA into smaller fragments, and have a half-life that ranges from minutes to hours, whereas DNA has a half-life of years to hundreds of years.

The Half-Life of Which of the Following Is Likely to Be