AP Biology Gene Expression and Regulation

What is the relationship between a protein, the cell, and DNA?

• DNA is produced by protein which is produced in the cell
• Protein is composed of DNA which is produced in the cell
• DNA controls the production of protein in the cell
• A cell is composed of DNA and protein

Tags

NGSS.HS-LS1-1

tRNA is involved in

• carrying amino acids 
• carrying ribosomes
• carrying glucose
• carrying lipids

A distal control region that activators bind to are bent to contact mediator proteins and form the transcription initiation complex

• enhancers
• promoters
• repressors
• transcription factors

Carries the genetic code to the ribosome

• mRNA
• tRNA
• rRNA
• DNA

A mutation that does NOT alter the protein production is called a 

• deletion mutation
• inversion mutation
• silent mutation
• transverse mutation

DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTATCGCAAG. This is an example of ___ mutation.

• Deletion
• Substitution
• Insertion
• Inversion

Tags

NGSS.HS-LS3-2

In eukaryotes, proteins that help the RNA polymerase bind to the promoter for transcription

• transcription factors
• topoisomerase
• regulatory genes
• activators

The "on/off" switch for an operon is called the

• promoter
• repressor
• operator
• gene

How can a person's muscle cells have the same exact DNA sequences as their nerve cells even though the look and perform completely different?

• The two different cells become mutated
• The proteins expressed in each cell are different
• They actually have different DNA in the two types of cells.
• The genome of the different cells changes

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-4

_______ is to transcription as ________ is to translation.

• mRNA / Amino Acid Chain
• Amino Acid Chain / mRNA
• Ribosome / Nucleus
• mRNA / tRNA