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Question: Oswald Avery “fractionated” bacterial extracts into the classes
of macromolecules and used enzyme…


Oswald Avery “fractionated” bacterial extracts into the classes
of macromolecules and used enzymes to distinguish the different
types of macromolecules. Describe how these enzymes were used to
demonstrate that only DNA, and no other molecule, could mediate
“bacterial transformation”. Include in your answer the role of
DNase in this strategy, and why this particular part of the
experiment was especially important.

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