Is the Accompanying Figure DNA or RNA? ________ Is the Arrow

Multiple Choice

Is the accompanying figure DNA or RNA? ________ Is the arrow closest to the 5′ or 3′ end? ________ Spleen diesterase is an enzyme that breaks the covalent bond that connects the phosphate to the 5′ carbon. Assume that the dinucleotide is digested with spleen diesterase. To which base and to which carbon on the sugar is the phosphate now attached, A or T?

A) DNA; 3′ end; T, 5′
B) RNA; 3′ end; A, 3′
C) DNA; 5′ end; A, 5′
D) DNA; 3′ end; A, 3′
E) RNA; 3′ end; T, 3′