AP Biology DNA Practice

DNA replication was proved by the experiments of:

• Hershey & Chase

• Meselson & Stahl

• Watson & Crick

• Franklin & Gosling

The term used to describe DNA Replication is:

• Semi-Conservative

• Conservative

• AntiParallel

• Dispersive

The enzyme that removes RNA Primers and fills in the gaps with DNA Nucleotides is

• DNA Polymerase III

• DNA Polymerase I

• DNA Polymerase II

• Primase

A scientist observes a base sequence of AGCTAGCTAGCT.  Which of the following would be the complimentary strand?

• TGCATGCATGCA

• TCGATCGATCGA

• TAGCTAGCTAGC

• TTAAGGCCTTCC

What is A?

• Leading strand

• Lagging strand

• Okazaki Fragments

• DNA plymerase

The separation of the two single strands of DNA creates a ‘Y’ shape?

• enzyme

• unzip

• A replication fork

Which enzyme proofreads and removes RNA Primase

• Ligase

• Polymerase 1

• Polymerase 3

• Helicase

The primary transcript is 15 kb long but the mature RNA is only 7 kb long. What explains the difference?

• Mutations in the DNA

• Removal of introns

• Post-translational modifications

• Removal of exons

What is the chance that they will have offspring with the genotype AaBb?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-3

Which of the following is heterozygous

• FF

• tt

• Gg

• RR