AP DNA Test Review

The problem of replacing the lagging strand - adding bases in the 3' -> 5' direction - is solved through the use of

• Base pairing

• Replication forks

• DNA helicase

• Okazaki fragments

What is the primer that is required to initiate the synthesis of a new DNA strand?

• RNA

• DNA

• Protein

• Ligase

Which enzyme catalyzes the elongation of a DNA strand in the 5' -> 3' direction?

• Primase

• Ligase

• Helicase

• DNA Polymerase

If a protein is 9 amino acids long, how many DNA bases would make up the gene?

• 3

• 9

• 18

• 27

What is the anticodon a part of?

• DNA

• tRNA

• mRNA

• ribosome

Use the attached amino acid chart. If a DNA code is TGG, what would the resulting amino acid be?

• Ile

• Arg

• Thr

• Asn

Tags

NGSS.HS-LS1-1

A frameshift mutation could result from

• A base insertion only

• A base deletion only

• A base substitution only

• Deletion or insertion

Tags

NGSS.HS-LS3-2

Which of the following is NOT involved in transcription?

• mRNA

• DNA

• ribosome

• TATA box

Which of the following is shared by both prokaryotes and eukaryotes?

• Histone proteins

• mRNA splicing

• Introns

• Promoter region

Transcription of the genes in a repressible operon

• Occurs all the time

• Starts when the product is present

• Stops when the product is present

• Is off all the time