All of the following biological molecules are assembled through dehydration synt

Question

All of the following biological molecules are assembled through dehydration synthesis EXCEPT? A) Two amino acids forming peptide bonds. B) Fatty acids combining with glycerol to form triglycerides. C) Two nucleotides forming a phosphodiester bond along the sugar-phosphate backbone. D) Two glucose molecules forming a glycoside linkage to form a disaccharide. E) There are no exceptions above. Which statement regarding nucleic acids is TRUE? A) A single strand of RNA is less polar than a single strand of DNA. B) A nucleoside contains a base, sugar and one phosphate group while a nucleotide contains a base, sugar and three phosphate groups. C) ATP contains a hydroxyl group attached to the 2' carbon. D) RNA can have a pyrimidine attached to V carbon but can not have a purine attached to the 1' E) There are no true statements above.

Explanation / Answer

4. Amino acids, fatty acids and glucose molecules are assembled through dehydration synthesis reaction in which water is given out.

When two nucleotides combine and form phosphodiester bond, pyrophosphate is released not water.

Hence option (C) is correct.

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