AP DNA Structure and Replication

Enzyme that unwinds the DNA

• ligase
• DNA Polymerase
• primase
• helicase

Seals the Okazaki fragments together

• DNA Polymerase
• ligase
• helicase
• primase

Adds nucleotides to the newly synthesized strand of DNA

• DNA polymerase I
• DNA polymerase III
• Primase
• Ligase

synthesizes a short fragment of RNA that allows DNA polymerase III to bind

• ligase
• DNA polymerase I
• primase
• helicase

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

• DNA polymerase III
• ligase
• primase
• DNA polymerase I

repetitive sequences of DNA on the ends of chromosomes (TTAGGG)

• telomeres
• telomerase
• Okazaki fragments
• primer

Experiment that radioactively labeled the proteins and DNA of bacteriophages to determine if DNA or protein was the transforming agent

• Avery
• Watson & Crick
• Messelson & Stahl
• Hershey & Chase

Tags

NGSS.HS-LS1-1

The table shows the results of measuring the percentages of the four bases in the DNA of several different organisms. Some of the values are missing from the table. Based on Chargaff’s rule, the percentages of guanine bases in chicken DNA should be approximately what?

• 28.8%
• 19.9%
• 21.5%
• 13.4%

Based on Chargaff’s rule, the percentage of cytosine in the DNA of the bacterium, S. lutea in the table, should be approximately what?

• 26.6%.
• 73.2%.
• 36.6%.
• 29.4%.

Tags

NGSS.HS-LS1-1

Name this structure

• double helix
• nucelotide
• amino acid
• base pair

Tags

NGSS.HS-LS1-1