Electrical Synaptic Transmission and Chemical Synaptic Transmission Flashcards
1
Q
Length of gap junction
A
2-4nm
2
Q
Diameter of gap junctional pore
A
10-20 Angstrom
3
Q
Fits through gap junctions:
A
SAIGA straight, small polypeptides ATP, cAMP, cGTP Ions Glucose Amino Acids
4
Q
Distance of synaptic cleft
A
20-60nm
5
Q
Distance of synaptic cleft at NMJ
A
50nm
6
Q
Gap junction composed of two:
A
connexons
7
Q
Connexons also called
A
hemichannels
8
Q
Connexon made up of:
A
Six connexins
9
Q
Cells connected by a gap junction are said to be:
A
electrically coupled (AP in one of the coupled cells will trigger an AP in the other)
10
Q
Categories of neurotransmitters
A
BANS Biogenic amines (dopamine, norepi) Amino acids (glutamate) Neuropeptides Small molecule transmitters (ACh, GABA)
11
Q
Neuropeptides are composed of:
A
3-36 amino acids
