estion 7 of 12 Which of the following statements is true for DNA only? It contai

Question

estion 7 of 12 Which of the following statements is true for DNA only? It contains the pyrimidine thymine. It contains the sugar ribose It contains a 2 hydroxy group. Bases are attached to sugars in an a-N-glycosidic linkage. 0 C Which of the following statements is true for both DNA and RNA? 0 O O O in base composition, %G = %C In base composition, %T = %G always. Both can be hydrolyzed in alkaline solution. Bases are attached to sugars in a N-glycosidic linkage. Which of the following statements is true for only RNA? 0 It contains the purine adenine. 0 It commonly exists in a variety of secondary structures. O Sugars are connected with a 3-5 phosphodiether link. O The secondary structure is primarily a double helix Hint

Explanation / Answer

DNA only contains the pyrimidine thymine.

For both DNA and RNA in base composition %G= %C.

RNA commonly exists in a variety of secondary structures

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