enzyme kinetics Flashcards

1
Q

michaelic menten model

A

explains how the rate of an enzyme-catalysed reaction depends on the concentration of the enzyme and its substrate

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

k1

A

is the forward rate constant for enzyme association with the substrate

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

k-1

A

the backwards rate constant for enzyme dissociation from the substrate

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

k2

A

the forward rate constant of enzyme conversion of substrate to product (P)

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

vmax

A

maximal rate of enzyme catalisation

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

km

A

half vmax

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

linewweaver burkplot

A

enables accurate determination of vmax and km

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

low km meaning

A

enzyme
only needs a little substrate to
work at half-maximal velocity

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

high km

A

an enzyme
needs a lot of substrate to work at
half-maximal velocity

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

can enzymes display the same vmax and have different km

A

yes

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

do allosteric enzymes follow michaelic menten

A

no

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

curve on graph of allosteric enzymes

A

sigmoidal- s shaped insetad of hyperbola

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

example of allosteric regulation

A

oxygen to haemoglobin binding

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