Cell communication quiz

What is a G protein?

• specific type of membrane-receptor protein
• protein on the cytoplasmic side of a membrane
• membrane-bound enzyme
• relay protein

What does a protein kinase do?

• removes phosphates
• transfers phosphates from ATP to proteins
• activates an enzyme

The 3 steps of signal transduction in order are

• reception, transduction, response
• response, transduction, reception
• reception, response, transduction
• transduction, reception, response

Which letter represents the cell surface receptor protein?

• A

• B

• C

• D

• E

Which letter represents the ligand?

• A

• B

• C

• D

• E

Tags

NGSS.HS-LS2-3

How do bacteria sense local population density?

• quorum sensing

• bacteria sensing

• signal sensing

• population sensing

Which is not a membrane receptor?

• G protein-coupled receptor

• Receptor tyrosine kinase

• Ligand-gated ion channel

• Intracellular receptor

What turns off proteins by removing a phosphate?

• kinase

• phosphatase

• phosphorylase

• ATPase

What creates cAMP by converting ATP to cAMP?

• adenylyl cyclase

• cAMP synthase

• ATP phosphatase

• cAMP kinase

Cells can communicate with one another via:

• chemical messengers

• hormones

• gap junctions

• all of these