Gene Regulation and Expression

What is 11. pointing to?

• Cytoplasm

• Ribosome

• mRNA

• Nucleus

What is 2. pointing to?

• Cytoplasm

• Ribosome

• mRNA

• Nucleus

What process is step 12 referring to?

• DNA Replication

• Transcription

• Translation

• Nucleus

Where does TRANSCRIPTION occur?

• Nucleus

• Ribosome

• Cytoplasm

• Mitochondria

How do you know when to begin translating a strand of mRNA?

• look for AUG

• start at the beginning

• look for ATG

• when the teacher says so!!!

Which process?

• mutation

• transcription

• respiration

• translation

Tags

NGSS.HS-LS1-7

What does the lactose do to the Operon? 

• Blocks transcription because of the energy it provides

• Allows the repressor to be unbind from the Operator.
  

• The lactose binds the lactose and stops transcription

• Allows for the transcription to speed

Which of the following statements regarding mRNA is correct?

• Exons are included in the protein sequence, while introns are left out

• Introns are included in the protein sequence, while exons are left out

• Exons and Introns can both be included or left out depending on the protein

• Exons and Introns are both part of the mRNA sequence, but only exons are part of the rRNA and tRNA

Operons are found in the cells of which of the following types of organisms?

• prokaryotes

• eukaryotes

• animals only

• viruses

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

• promoter

• enhancer

• operator

• gene