PQ : 2.9 + 2.10 - Proteins & Enzymes Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Explain why this mutation affects the function of the haemoglobin molecule.

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

State why enzymes are described as biological catalysts

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

(i) Explain how a single base mutation can lead to an altered primary structure of enzyme G. (3)

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

(ii) Explain how human genome sequencing can be used to identify the mutations associated with MPS I.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
A
-Folded into a specific shape with a globular head -That can bind to actin -Myosin has a site that can bind with ATP -part is straight to form a bundle with other myosin molecules
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Muscle cells contain globular and fibrous proteins.
Compare and contrast the molecular structures of globular and fibrous proteins.

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

Describe how a peptide bond is formed (2).

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

The stinger injects a venom that contains the enzyme phospholipase.
This enzyme hydrolyses phospholipids, releasing fatty acids.
Describe how the structure of phospholipase allows it to hydrolyse phospholipids.

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

Cells in people with these diseases produce incorrectly folded enzyme molecules.
Explain why enzymes that are incorrectly folded cannot carry out their function.
(3)

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