McGraw-Hill Online Learning Center Test

McGraw-Hill Online Learning Center Test


1. Review the image and answer the following questions.

What did Griffith determine with his 1928 experiment?

A. that somehow, R cells were transformed into S cells
B. that certain bacteria are pathogenic while others are not
C. mice are susceptible to only some kinds of bacteria
D. that the capsule of bacterial cells is not harmed by heat


2. What do we now know was the transforming portion of the bacterial cells?

A. protein
B. DNA
C. polysaccharide
D. lipids
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