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Which is an example of dehydration synthesis?

dna synthesis from nucleotides

conversion of proteins into its amino acids

conversion of lipids from fatty acids

Verified Answer :

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The right answer is DNA synthesis.

In chemistry, a dehydration reaction is a chemical reaction in which the starting reagent loses a hydrogen atom and a hydroxyl group, a molecule of water, the reverse of the hydration reaction. Dehydration reactions are a subset of the elimination reactions.

In the case of DNA synthesis:

d (NTP) n + dNTP -> d (NMP) n + 1 + PPI + H2O

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Answer:

The correct answer is "dna synthesis from nucleotides".

Explanation:

During dehydration synthesis a molecule of water is lost from the reacting molecules in order to allow the formation of a macromolecule. This what happens during DNA synthesis from nucleotides. In order to make DNA, individual nucleotides are bounded together by the formation of  a phosphodiester bond between the phosphate group of one nucleotide and the sugar of the following nucleotide. During the formation of the phosphodiester bond a molecule of water is lost, therefore this process is known as dehydration synthesis.

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