Following are some statements about the structural features of nucleic acids. Id

Question

Following are some statements about the structural features of nucleic acids. Identify whether the statement refers to DNA, to RNA, to both, or to neither by dragging the statement into the appropriate bin.

Points awarded to correct answer, bonus if explained.

Following are some statements about the structural features of nucleic acids. Identify whether the statement refers to DNA, to RNA, to both, or to neither by dragging the statement into the appropriate bin. Note: If you answer any part of this question incorrectly, a single red X will appear indicating that one or more of the phrases are sorted incorrectly.

Explanation / Answer

DNA

- contains the pyrimidine thymine

- contains the purine guanine

- stable to alkaline hydrolysis

- in base composition %G = %C

- bases are attached to sugars in an alpha N-glycosidic linkage

- sugars are connected with a 3'-5' phosphodiester link

RNA

- contains the purine guanine

-bases are attached to sugars in an alpha N-glycosidic linkage

- sugars are connected with a 3'-5' phosphodiester link

- can be hydrolyzed in alkali solution

- sometimes contains the unusual nucleoside pseudouridine

- contains the sugar ribose

BOTH

- contains the purine guanine

-bases are attached to sugars in an alpha N-glycosidic linkage

- sugars are connected with a 3'-5' phosphodiester link

NEITHER

- In base composition, %T = %G

- sugars are connected with a 2'-5' phosphodiester link

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