Limited access

Upgrade to access all content for this subject

Which of the following statements about the structure of double-stranded DNA is correct? Select ALL that apply.

A

Nucleotides within a DNA strand are held together by hydrogen bonds.

B

DNA has an overall net positive charge.

C

Bases in complementary strands of DNA are held together by covalent bonds.

D

The 5' end of a DNA strand has a free hydroxyl group.

E

Base pair formation occurs between a single-ringed pyrimidine and a double-ringed purine.

F

New nucleotides are added to the 3' end of a growing strand of DNA.

Select an assignment template