Nucleotides in RNA are connected to one another in the polynucleotide chain by A. covalent bonds between bases. B. covalent bonds between sugars. C. covalent bonds between sugar and phosphate. D. hydrogen bonds between purines. E. hydrogen bonds between any bases.

Question

Savanah

Biology

2 February, 06:45

Nucleotides in RNA are connected to one another in the polynucleotide chain by A. covalent bonds between bases. B. covalent bonds between sugars. C. covalent bonds between sugar and phosphate. D. hydrogen bonds between purines. E. hydrogen bonds between any bases.

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Juliana Odonnell · Answer 1

C

Explanation:

A ribonucleotide is very similar to a deoxyribonucleotide with the major difference being that they have a H instead of an OH in the 1' carbon. Each ribonucleotide also has a phosphate molecule in their 5' carbon like DNA. It is this phosphate that bonds with the 1' carbon of the next monomer to form a phosphodiester bond through a condensation process - that releases a water molecule.