AP DNA Replication

Suppose a double-stranded DNA molecule was shown to have 15% adenine bases. What would be the expected percentage of guanine bases in that molecule?

• 15%

• 35%

• 85%

• Not enough information

Nitrogenous bases are joined by which type of bond?

• peptide bonds

• ionic bonds

• covalent bonds

• hydrogen bonds

Tags

NGSS.HS-LS1-1

Which 2 molecules form the sides of the DNA ladder?

• deoxyribose and adenine

• deoxyribose and phosphate

• cytosine and guanine

• ribose and cytosine

If a portion of DNA strand reads:

3' A A A T T T C 5'

The matching strand would read...

• 5' T T T A A A G 3'

• 3' T T T A A A G 5'

• 5' A A A T T T C 3'

• 3' U U U A A A G 5'

This picture is illustrating the ____ nature of DNA.

• antiparallel

• semiconservative

• helical

• radioactive

Tags

NGSS.HS-LS1-1

What group do the "smaller", single ringed bases such as thymine and cytosine belong to?

• complementary

• enzymes

• purine

• pyrimidine

removes the RNA primer and adds DNA nucleotides to fill in the gap

• DNA polymerase III

• ligase

• primase

• DNA polymerase I

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication

• Translation

• Transcription

Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 

• amino acids

• nucleotides

• fatty acids

• polysaccharides

order of replication

• 3, 2, 1, 4

• 2, 1, 4, 3

• 2, 3, 1, 4

• 3, 4, 1, 2