Experiments Designed to Identify the "Transforming Principle" Were Based on

Multiple Choice

Experiments designed to identify the "transforming principle" were based on

A) purifying each of the macromolecule types from a cell-free extract.
B) removing each of the macromolecules from a cell, then testing its type.
C) selectively destroying the different macromolecules in a cell-free extract.
D) Both a and b
E) Both a and c