Jeffrey382 Jeffrey382

10-03-2015
Biology

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Which of the following is true of RNA compared to DNA? A. It lacks phosphate groups. B. It is a single-stranded molecule. C. Its nucleotides do not have sugars. D. It contains four different nucleotides.

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оролл оролл

10-03-2015

And if more:Between DNA and RNA, there are three major differences: 1. DNA contains deoxyribose sugar, RNA - ribose, which has an additional, compared deoxyribose with hydroxyl group. This increases the possibility of hydrolysis of the group of the molecule, i.e. reduces the stability of an RNA molecule. 2. The nucleotide complementary to adenine, thymine in RNA does not, as in DNA and uracil - thymine unmethylated form. 3. DNA exists as a double helix consisting of two separate molecules. RNA molecule, on average, shorter and more preferably single-stranded. based on this, select the answer yourself)!

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