AP Bio DNA RNA

Where does translation take place?

• Cytosol

• Golgi Bodies

• Nucleus

• Ribosome

What is the function of the P site on the ribosome?

• Holds the growing polypeptide

• Holds phosphorylated polypeptide

• Site that binds to the primary structure of a polypeptide

• Site where the phosphate group binds

How many nucleotides make up a codon?

• 1

• 2

• 3

• 4

What are the transcription factors?

• Molecules that provide ATP to transcription unit

• Molecules that synthesize RNA during transcription 

• Molecules that bring amino acids to the transcription unit

• Molecules that bind to enhance/inhibit transcription. 

What binds to the promoter?

• DNA polymerase

• Operator

• Repressor

• RNA polymerase

What makes up the TATA box?

• Adenine & Cytosine

• Cytosine & Guanine

• Guanine & Thymine

• Thymine & Adenine

Describe the effect of adding methyl group to DNA.

• Decreases condensation which decreases transcription

• Decreases condensation which increases transcription

• Increases condensation which decreases transcription

• Increases condensation which increases transcription

Describe affect of acetylating the histone tails

• Decreases condensation which decreases transcription

• Decreases condensation which increases transcription

• Increases condensation which decreases transcription

• Increases condensation which increases transcription

All somatic cells within one organism have the same DNA.

• True

• False

Where does the repressor in an operon bind?

• Operator

• Promoter

• Regulatory sequence

• TATA box