Start learning →

Avery, MacLeod and McCarty (1944) showed the transforming principle was:

AAsh
BDNA
CRNA
DFat
Answer & Solution
Correct answer: B. DNA
1. They degraded each component in turn. 2. Only degrading DNA stopped transformation. 3. So DNA carried the information. _Source: OpenStax Biology 2e, Chapter 14, DNA Structure and Function (CC BY 4.0)._
Practise this question with Quill — AP Biology →

Keep practising DNA Structure and Function

Browse all DNA Structure and Function questions for AP Biology, or explore more Biology topics.

Start a DNA Structure and Function lesson →
Related questions