Consider the DNA template to be used for replication: 3'-ATCGGGAAATTCGGA-5'. Which of the following choices shows the correctly replicated new strand of DNA?
A) 3'---ATCGGGAAATTCGGA-5'
B) 5'---ATCGGGAAATTCGGA---3'
C) 3'---TAGCCCTTTAAGCCT---5'.
D) 3'---TAGCCCTTTAAGCCT---5'..
E) 5'---UAGCCCUUUAAGCCU---3'

Question

Quizplus · Accepted Answer

The new strand of DNA will be complementary to the template strand, meaning it will have a sequence of bases that are the Watson-Crick base pairs to those on the template strand. The sequence of bases on the template strand is read from 3' to 5', and the new strand will be synthesized in the opposite direction (from 5' to 3'). Therefore, the correct replicated new strand of DNA will have the sequence 5'-TAGCCCTTTAAGCCT-3', which is complementary to the template strand. Choices A, B, D, and E are all incorrect because they either have the wrong sequence of bases or the wrong orientation.

Consider the DNA Template to Be Used for Replication: 3'-ATCGGGAAATTCGGA-5