In the following cartoon of a DNA double helix, arrow II is pointing to a(n)
A) DNA base pair.
B) ionic bond.
C) sugar phosphate backbone.
D) polar covalent bond.
E) hydrophilic interaction.

Question

In the following cartoon of a DNA double helix, arrow II is pointing to a(n) 
A) DNA base pair. 
B) ionic bond. 
C) sugar phosphate backbone. 
D) polar covalent bond. 
E) hydrophilic interaction.

Quizplus · Accepted Answer

Arrow II is pointing to the DNA base pair, which is the specific sequence of two nucleotide bases (adenine, thymine, cytosine, or guanine) that form the rungs of the DNA ladder.

In the Following Cartoon of a DNA Double Helix, Arrow