What is the structural feature that allows DNA to replicate?

A) sugar-phosphate backbone
B) complementary pairing of the nitrogenous bases
C) disulfide bonding (bridging) of the two helixes
D) twisting of the molecule to form an ?-helix
E) three-component structure of the nucleotides


Answer: B

Biology & Microbiology

You might also like to view...

The fertilized egg is also called the ____

Fill in the blank with the appropriate word.

Biology & Microbiology

The lampreys are unusual vertebrates in that they have no

a. eyes. b. jaws. c. gill slits. d. mouth.

Biology & Microbiology

An individual has an issue with their red blood cells. Are they most likely to have an issue with their

immunity, oxygen transport, or hemostasis? What will be an ideal response?

Biology & Microbiology

If atom X contains 14 protons, 13 electrons, and 12 neutrons, and atom Y contains 14 protons, 14

electrons, and 12 neutrons, then you conclude that:a. Y is an ion but X is not. b. X and Y are both ions. c. X and Y both have filled valence shells. d. X and Y are isotopes of the same element. e. X and Y are atoms of the same elem

Biology & Microbiology