G Reactive Proteins

Question 1

These endocrine molecules bind cell surface receptors and work thru G reactive proteins

Answer 1

Proteins + Polypeptides

Question 2

75% of _____ are transduced w/ G-protein coupled receptors

Answer 2

SMAs (Styrene Maleic Acid)

Question 3

Name the 4 functions/actions of G Reactive Protein

Answer 3

1. Open specific membrane channel
2. Activate cAMP or cGMP
3. Activate enzymes
4. Activate gene transcription

Question 4

G Reactive Proteins open a membrane channel specific for _____, such as:

Answer 4

Ion species
Na+ or K+

Question 5

What is different btwn G reactive protein membrane channels and typical ligand-gated channels?

Answer 5

G Reactive Proteins keep membrane channels open for a longer period of time

Question 6

Define cAMP

Answer 6

Cyclic Adenosine MonoPhosphate

Question 7

Define cGMP

Answer 7

Cyclic Guanosine MonoPhosphate

Question 8

G reactive proteins activate ___ or ___

Answer 8

cAMP or cGMP

Question 9

What do cAMP/cGMP stimulate?

Answer 9

Specific metabolic machinery in the neuron

Question 10

G reactive proteins activate enzymes. What do enzymes initiate and where?

Answer 10

Biochemical rxns in target cell

Question 11

G reactive proteins activate gene _____ and _____.

Answer 11

Transcription + protein synthesis

Question 12

G reactive proteins activate gene transcription + protein synthesis. Gene transcription + protein synthesis may alter __________.

Answer 12

Metabolism or Morphology of the cell