Question

what is a dna give a brief answer

Answer 1

dna is a very large molecule hence it is called macro molecule . dna is made up of two complimentary stand wonded around each other in a double helix module . A dna is consist of repeating number of nucleotide which is made up of three components phosphate , sugar , nitrogenous base . this nitrogenous base make the rungs of dna the nitrogenous base are adenine, guanine , cytosine , thymine adenine pair with thymine with two hydrogen bonds and guanine pair with cytosine with three hydrogen bonds

Answer 2

HEY MATE....

HERE IS YOUR ANSWER....

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DNA - Deoxybric Nucleic Acid.....DNA is made up of molecules called nucleotides. It is I. our body cells. It is a complex molecule contains all information necessary to build and maintain an organisms . A nucleic acid that carries an genetic information in cells..DNA is a very large molecule hence it is called macro molecule

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