Second Messangers

Question 1

Substances that trigger biochemical communication within cells after the acton of neurotransmitters are called

Answer 1

second messangers. THey are responsible for changes to the nervous system

Question 2

What do the second messanger do?

Answer 2

THey convey the chemical message of a neurotransmitter from the cell memrane to the cell’s internal biochemical machinery

Question 3

What is an example of the initial step in the activation of a second messanger that involves ATP

Answer 3

When norepinephrine binds to its receptors on the suface of the neuron, the activated receptor binds a G protein on the inside of the membrane

Question 4

Second messengers are also thought to play a role in the manufacture and release of neurotransmitters and in intracellular movements and carbohydrafe metabolism in the cerebrum