Multiple Choice
Nucleic acids have a definite polarity, or directionality. Stated another way, one end of the molecule is different from the other end. How are these ends described?
A) One end has a hydroxyl group on the 2 carbon; the other end has a hydrogen atom on the 2 carbon.
B) One end contains a nitrogenous base; the other end lacks it.
C) One end has an unlinked 3' carbon; the other end has an unlinked 5 carbon.
D) One end has one phosphate group; the other end has two phosphate groups.
Correct Answer:

Verified
Correct Answer:
Verified
Q18: Enzymes that break down DNA catalyze the
Q21: Nucleic acids are polymers made up of
Q23: Which of the following are purine nitrogenous
Q24: RNA and proteins combine in cells to
Q26: Use the following information when answering the
Q27: Franklin and Wilkins analyzed DNA by bombarding
Q28: Some viruses consist only of a protein
Q29: If a double-stranded DNA sample were composed
Q30: Compare proteins to nucleic acids. Which of
Q46: What is the difference (if any)between the