RNA includes 3 of the precise very same nitrogenous bases as DNA– adenine, cytosine, and guanine– nevertheless it has no thymine a base called uracil (U) takes its place Transfer RNA has more than 50 numerous nitrogenous bases, however, for our functions, we do not need to think of other than A, U, C, and G. The sugar in RNA is ribose rather of deoxyribose. DNA, by contrast, averages more than 100 million base sets long Similarly, whereas DNA is a double helix, RNA consists of simply one nucleotide chain, not held together by complementary base sets besides in specific quick areas where the molecule folds back on itself. The most significant difference is that RNA is much smaller sized, differing from about 70 to 90 bases in tRNA to rather over 10,000bases in the most important mRNA.
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