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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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dwhisenh dwhisenh
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9 years ago
How do you count covalent bonds in DNA 3' -G-T-C-G-G-G-C-G-T-5'
i know that A-T=2 bonds, A G-C= 3 bonds.  how do you non-covalent bonds?
and if it where an RNA seguence would you use the same method.
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#1
Educator
9 years ago
Are hydrogen bonds actually even covalent? If you have the molecule hydrogen flouride, H-F, that is covalent, but between the two strands, it isn't (I don't think). Perhaps you can call them non-covalent bonds. The covalent bonds occur between the nucleotides, like that displayed here: https://biology-forums.com/index.php?action=gallery;sa=view;id=19643
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#2
9 years ago
True, the covalent bonds occur between the sugar, base, and phosphor groups.
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#3
Staff Member
9 years ago
Covalent bonds hold the atoms and molecules together in each of the nucleotide chains. Two complimentary chains are held together by hydrogen bonds to form a double-helix. Hydrogen bonds are present in the helix, holds the ladder together. Smiling Face with Halo
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