Multiple choice

what did scientists first believed were the first carriers of genetic information?

  1. Lipids

  2. Carbohydrates

  3. None of the above

  4. Protein

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Before DNA was confirmed as the genetic material, scientists believed proteins were the carriers of genetic information because of their structural complexity and the variety of their 20 amino acid building blocks.