Question

The structure for nucleic acid proposed by Watson and Crick differs from that proposed by Pauling...

The structure for nucleic acid proposed by Watson and Crick differs from that proposed by Pauling and Corey in the following ways:

a. The former has the phosphates on the inside and the latter on the outside.
b. The former consists of parallel chains and the latter of antiparallel chains.
c. The former has the bases on the inside and the latter on the outside.
d. The former has the phosphates on the outside and the latter on the inside.

e. The latter consists of 3 intertwined chains and the former of 2 chains.

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Answer #1

These are the differences between the structure for nucleic acid proposed by Watson and Crick and Pauling & Corey :

Answer -

c. The former has the bases on the inside and the latter on the outside.

d. The former has the phosphates on the outside and the latter on the inside.

e. The latter consists of 3 intertwined chains and the former of 2 chains.

Explanation:

Pauling and Corey proposed a triple helix model of DNA whereas Watson and Crick proposed a double helix model of DNA. In case of Pauling and Corey's model had phosphates on the inside and bases on the outside. However it was the opposite in case of Watson and Crick model.

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