(Refer to the A-E images above). Which selection below correctly identifies or c

Question

(Refer to the A-E images above). Which selection below correctly identifies or characterizes the image above? a. Image A is amino group. b. Image B is a sugar. c. The arrow in Image C is pointing to glycosidic bond. d. Image D is a sugar. e. The arrow in Image E is pointing to a 3'-5-phosphdiester bond. (Refer to the A'-E' images above). Which image shows a glyosidic bond? a. Image A' b. Image B' c. Image C' d. Image D' e. Image E' (Refer to the A'-E' images above). Which image shows a peptide bond? a. Image A' b. Image B' c. Image C' d. Image D' e. Image E' (Refer to the A'-E' images above). Which image shows a 3'-5'-phosphdiester bond? a. Image A' b. Image B' c. Image C' d. Image D' e. Image E'

Explanation / Answer

44. d ( Image D is a sugar)

45. d- Image D' shows a glycosidic bond. A glycosidic bond is formed between the sugar and the nucleotide bases (A/T/G/C) at C1 of the sugar.

46. a- Image A' shows a peptide bond. peptide bond is formed between the amino group of an amino acid and the carboxyl group of the adjacent amino acid.

47. e. Image E' shows a phophodiester bond which is a bond between two nucleotides. the bond is formed between the 5' phosphate group and 3' hydroxyl group on the sugars of the adjacent nucleotides.

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