3 years ago

DNA is made of two chains of nucleotides. Which type of bonds hold the chains together?

Biology

2 answers:

Alex Ar [27]3 years ago

4 0

Answer:

<u>HYDROGEN BONDS</u>

Explanation:

A DNA molecule consists of two strands of nucleotides twisted together to form a double helix. The sugar-phosphate backbone is found on the outside of this helix and the bases are found braching towards the middle. Hydrogen bonds join the the nitrogenous bases and hold the two strands together.

gtnhenbr [62]3 years ago

4 0

Answer: Hydrogen bond

Explanation: Hydrogen bonds join the the nitrogenous bases and hold the two strands together.

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