what kind of bond hold the two strands of DNA together?

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what kind of bond hold the two strands of DNA together?

2007-01-23 10:18:19 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Biology

4 answers

hydrogen bond.

2007-01-23 10:21:50 · answer #1 · answered by plantgirl 3 · 1⤊ 0⤋

Hydrogen bonds

2007-01-23 11:54:07 · answer #2 · answered by tzsess 1 · 1⤊ 0⤋

Hydrogen bond and base stacking. This is asked repeatedly here; try a search (i answered this in more detail a few weeks ago).

2007-01-23 11:35:17 · answer #3 · answered by gibbie99 4 · 1⤊ 0⤋

Hydrogen bonds between the nucleotides. Cytosine hydrogen bonds with guanine and adenine bonds with thymine. Cytosine and thymine are the double-ringed purines that hydrogen bond with the single-ringed pyrimidines guanine and adenine respectively.

2007-01-23 11:29:05 · answer #4 · answered by Anonymous · 1⤊ 0⤋