terms associated with muscle contractions Flashcards
1
Q
acetylcholine (ACH)
A
neurotransmitter»_space;molecule which carries a signal from a neuron to another cell
2
Q
acetylcholine receptor protein
A
receptor protein found on the cell membrane of the second cell
3
Q
what happens when ACH docs with ACH receptor proteins
A
the signal is carried on
4
Q
troponin
A
a protein when activated by calcium moves the tropomyosin out of the way
5
Q
tropomyoisin
A
a protein which typically blocsk the myosin binding sites on actin
6
Q
motor unit
A
all the muscle fibers which receive signals from one neuron
7
Q
muscle fibers
A
a cell
8
Q
neuromuscular junction
A
the location where the neuron and muscle fiber meet. The synapse is part of the NMJ
