Human Heredity 11th Edition by Michael Cummings

تمرين 21

The experiments of Avery and his coworkers led to the conclusion that:
A) bacterial transformation occurs only in the laboratory
B) capsule proteins can attach to uncoated cells
C) DNA is the transforming agent and is the genetic material
D) transformation is an isolated phenomenon in E. coli
E) DNA must be complexed with protein in bacterial chromosomes