Prior to the 1940s, many biologists believed ____, which is composed of 20 different types of ____, was most likely the genetic material.
A) protein; amino acids
B) DNA; amino acids
C) protein; nucleotides
D) DNA; nucleotides
E) RNA; nucleotides

Question

Quizplus · Accepted Answer

Protein, composed of 20 different types of amino acids, was widely believed to be the genetic material before the 1940s due to its complexity and variability, which seemed necessary for encoding the vast amount of genetic information in organisms.

Prior to the 1940s, Many Biologists Believed ____, Which Is