what is the main difference between DNA and RNA ?
jowi70:
DNA is present in the nucleus as a double stranded hereditary material, having a double helix structure. While RNA is transcripted (copied) from DNA as a single stranded RNA. DNA has 4 base pairs namely; adenine, guanine, cytosine & thymine. Where as RNA also has 4 base pairs namely as; adenine, cytosine, uracil & guanine.
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DNA is a long polymer with deoxyriboses and phosphate backbone. Having four different nitrogenous bases: adenine, guanine, cytosine and thymine. RNA is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.
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DNS deoxyribonucleic acid and RNA is ribonucleic acid in uracil is present as a base and in DNA there is a thymine is present as a base
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