OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Avery and his coworkers showed the “transforming principle” as
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protein
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polysaccharide
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DNA
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lipid
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Explanation:
Detailed explanation-1: -Oswald Avery, Colin MacLeod, and Maclyn McCarty showed that DNA (not proteins) can transform the properties of cells, clarifying the chemical nature of genes.
Detailed explanation-2: -They found a substance in heat-killed bacteria that transform the living bacteria. In 1944, Avery and his colleagues showed that the transforming substance in Griffith’s experiment was DNA. Hence Avery and his colleagues were inspired by Griffith’s experiment.
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