lecture 14 redone Flashcards

1
Q

glutamate is a

A

excitatory neurotransmitter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

glutamate binds to

A

AMPARs and NMDARs in the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

are NMDA receptors or AMPA receptors more sensitive

A

NMDA receptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

example of NMDA receptor

A

GluN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

example of AMPA receptor

A

GluA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

kainate receptors

A

GluK

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

ionotropic glutamate receptors are made up of _ subunits

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

AMPAR subunits are

A

GluA1-4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

how does the flip variant affects the GluA channel

A

lengthens the time the channel is open for

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

if the GluA2 is present is makes the receptor impermeable to

A

calcium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what makes glua2 impermeable to calcium

A

glutamine (q) is swapped for argenine (r) which is positively charges repelling the calcium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

NMDA receptors are ______ permeable

A

calcium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

magnesium wedges itself into the pore, its drawn in due to the

A

negative field inside the membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

as the cell is depolarised theres less of a negative feild so the magnesium

A

is forced out and the pore opens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

NMDA receptors require the presense of

A

glutamate and require the cell to be depolarides to be open

How well did you know this?
1
Not at all
2
3
4
5
Perfectly