Before Watson and Crick described DNA structure,Linus Pauling proposed a possible model with three strands of support running down the middle and the bases extending out the sides.How did Pauling's model differ from Watson and Crick's?
A) Pauling proposed three support strands while Watson and Crick proposed two strands.
B) Pauling proposed the support strands ran down the middle of the molecule while Watson and Crick proposed the support strands ran down the sides.
C) Pauling proposed that the bases stick out the sides of the molecule while Watson and Crick proposed the bases were paired in the middle.
D) All of the choices describe how Pauling's model was different than Watson and Crick's model.
Correct Answer:
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