Answer to Question #211501 in Cell Biology for Moe

Question #211501

Match each of the following molecules involved in cell communication with the function that best describes it.


  1. G protein-coupled receptor
  2. Receptor tyrosine kinase
  3. Ligand-gated ion channel
  4. Protein kinase
  5. Cyclic AMP
  6. Adenylyl cyclase
  7. Hormone
  8. Neurotransmitter


A) Protein which removes phosphates from proteins in a process called dephosphorylation

B) One of the most widely used second messengers

C) Molecule involved in long-distance signaling in plants and animals

D) Protein acts as an on/off switch: if GDP is bound to the protein, the protein is inactive.

E) Protein which converts ATP to cAMP in response to an extracellular signal

F) A messenger molecule that travels only short distances

G) This protein can trigger multiple signal transduction pathways at once

H) Protein which transfers phosphates from ATP to protein in a process called phosphorylation

I) When a signal molecule binds to this receptor, it allows specific ions (such as Na+ and Ca2+) through a channel in the receptor.


1
Expert's answer
2021-06-29T16:41:02-0400

1. G protein-coupled receptor -(D)Protein acts as an on/off switch: if GDP is bound to the protein, the protein is inactive.

2.Receptor tyrosine kinase- (G)This protein can trigger multiple signal transduction pathways at once

3.Ligand-gated ion channel-(I)When a signal molecule binds to this receptor, it allows specific ions (such as Naand Ca2+) through a channel in the receptor.

4.Protein kinase-(H)Protein which transfers phosphates from ATP to protein in a process called phosphorylation.(A)Protein which removes phosphates from proteins in a process called dephosphorylation

5.Cyclic AMP-(B)One of the most widely used second messengers

6.Adenylyl cyclase-(E)Protein which converts ATP to cAMP in response to an extracellular signal

7.Hormone-(C)Molecule involved in long-distance signaling in plants and animals

8.Neurotransmitter-(F)A messenger molecule that travels only short distances









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