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tatiyna
2 years ago
15

The two DNA strands are held together by ____________ bonding between the bases on the different strands; therefore, all the bas

es are on the ____________ of the double helix, and the sugar-phosphate backbones are on the ____________ .
Biology
1 answer:
lilavasa [31]2 years ago
8 0

The two DNA strands are held together by hydrogen bonds.

all the bases are on the inside of the double helix.

and the sugar-phosphate backbones are on the outside

Base pair nucleotides are complementary. That is, their shape allows them to connect to each other using hydrogen bonds. The A-T pair forms two hydrogen bonds. The C-G pair forms three. Hydrogen bonds between complementary bases hold the two strands of DNA together.

The role of hydrogen bonds, sometimes thought to be important in holding DNA helices together, seems to be related to classifying base pairs to connect in the correct order. This discovery is important for understanding how DNA is related to its environment.

Learn more about DNA hydrogen bonds here:brainly.com/question/1571701

#SPJ4

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