nov17pt1 Flashcards

1
Q

other type of channel responsible for outward current when cGMP gated channels close

A

potassium

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

type of glutamate receptors in BP cells

A

metabotropic

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

affect BP cells can have on ganglion

A

increase or decrease AP firing

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

depolarization of BP cells would cause

A

increase in AP firing in ganglion cells

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

photopigment in rod

A

rhodopsin

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

peak of rhodopsin tuning curve

A

498 nm

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

links retinal to opsin

A

lysine in 7th TM segment

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

how many types of photopigments can be found in cones

A

3 (none of these are rhodopsin)

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

AA sequence very similar in

A

red and green opsin

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

opsin in cone + retinal is called

A

photopsin

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

most photopsin

A

red or green

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

why we think lots of central processing involved in color perception

A

ration of green: red varies greatly from individual to individual

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

mutations in photoreceptor cells can

A

lead to degeneration of cell (full or partial blindness) or shift of tuning curve (partial blindness)

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

sound is

A

wave due to compression or rarefaction

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

tone/pitch determined by

A

frequency

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