DNA Structure and Replication

ID #1783

Why would a statement "Melting temperature is defined as the temperature at which 50% of a population of dsDNA molecules are in a fully single stranded form" be FALSE, when the textbook definition is "Melting Temperature is defined as when 50% of dsDNA has been denatured to fully single stranded form."?

This was actually one of those "Here's what it is and here's what it isn't" scenarios from lecture. Melting temperature is the point at which a molecule is 50% denatured, NOT the point at which half the molecules are denatured and half are not.

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