When DNAs from Two Different Organisms Are Incubated Together,some Duplexes

question 11

Multiple Choice

When DNAs from two different organisms are incubated together,some duplexes are formed by DNA strands from the two species.What indicates that such duplexes are less stable than those between strands from the same organism?

• A)Heterogeneous duplexes melt at lower temperatures than homogeneous duplexes.
• B)Heterogeneous duplexes melt at higher temperatures than homogeneous duplexes.
• C)Heterogeneous duplexes are degraded faster.
• D)Heterogeneous duplexes are degraded more slowly.
• E)There is no difference in stability between homogeneous and heterogeneous duplexes.

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