Lipids Flashcards

You may prefer our related Brainscape-certified flashcards:
0
Q

What are triglycerides composed of?

A

3 fatty acids and a glycerol.

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

Describe the structure of steroids.

A

Based on a 4 ring structure of 17 carbons. Varying side chains attached to this structure give different steroids.

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

Describe the structure of a glycerol molecule.

A

3 carbon with an OH attached to each.

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

Describe the structure of a fatty acid molecule.

A

A carboxylate acid group(COOH) at one end and a long hydrocarbon tail at the other.

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

What does ‘saturated’ mean?

A

No double bonds between the carbon atoms in their tails. The fatty acid has the maximum number of hydrogen atoms that can be attached.

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

What does ‘unsaturated’ mean?

A

There is at least one double bond between the carbon atoms and so have fewer hydrogen atoms than the maximum possible.

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

What reaction forms triglycerides?

A

Condensation

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

Give examples of saturated fatty acids

A

Palmitic

Stearic

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

Give examples of unsaturated fatty acids

A

Oleic

Linoleic

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

How are the properties of a triglyceride determined?

A

By the properties of the fatty acids

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

Describe the structure of a phospholipid

A

Hydrophilic head containing chlorine phosphate and glycerol

Hydrophobic head contain one saturated and one unsaturated tail

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

What is the function of a triacylglycerol?

A

Storage in plants

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

Give examples of the roles of lipids.

A
Energy store
Heat and nerve insulation
Fat pods
Vitamin transport
Hormones
How well did you know this?
1
Not at all
2
3
4
5
Perfectly