Following reports that the amount of DNA varied over time within cells,scientists in the early 1900s concluded that the genetic material had to be
A)DNA.
B)RNA.
C)protein.
D)lipids.
E)carbohydrates.

Question

Quizplus · Accepted Answer

In the early 1900s, scientists believed that proteins, with their complex structures and variability, were the genetic material rather than DNA. This was because proteins were thought to have the necessary complexity to carry genetic information, a view that was not challenged until the Avery-MacLeod-McCarty experiment in 1944 and ultimately overturned by the Hershey-Chase experiment in 1952, which provided strong evidence that DNA is the genetic material.

Following Reports That the Amount of DNA Varied Over Time