Multiple Choice
What aspect of the DNA structure allows to have so much genetic variability?
A) All organisms follow Chargaff's rules of A =T and G =C.
B) The bases connected to the sugar-phosphate backbone can be in any order.
C) The nucleotides are joined and produces a sugar-phosphate backbone.
D) There are 4 different nucleotide building blocks.
E) There is complementary base pairing between the two strands.
Correct Answer:
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