NBS Chemistry Lipids Flashcards

1
Q
What type of bonds are between glycerol and fatty acids?
A. Peptide
B. Ester
C. Hydrogen
D. Glycosidic
A

Ester

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2
Q
Which of the following would be an example of saturated fatty acid?
A. Olive oil
B. Peanut oil
C. Sunflower oil
D. Coconut oil
A

Coconut oil

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3
Q
Which of the following would be an example of monounsaturated fatty acid?
A. Olive oil
B. Peanut oil
C. Sunflower oil
D. Coconut oil
A

Olive oil

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4
Q
Which of the following would be a saturated fatty acid and solid at room temperature?
A. Olive oil
B. Palm oil
C. Sunflower oil
D. Canola oil
A

Palm oil

*cococnut oil would also apply

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5
Q
Which of the following is a polyunsaturated fatty acid?
A. Linoleic acid
B. Canola oil
C. Olive oil
D. Avocados
A

Linoleic acid

18:2

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6
Q
Which 3 of the following are monounsaturated fatty acids?
A. Linolenic acid
B. Canola oil
C. Olive oil
D. Avocados
A

Olive oil
Canola oil
Avocados

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7
Q
Which Essential fatty acid has 20 carbons and 4 double bonds?
A. Linoleic acid
B. Linolenic acid
C. Eicosapentaenoic acid 
D. Arachidonic acid
A
D
Arachidonic acid (ARA)= 20:4
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8
Q
Which Essential fatty acid has 20 carbons and 5 double bonds?
A. Linoleic acid
B. Linolenic acid
C. Eicosapentaenoic acid 
D. Arachidonic acid
A

C

EPA= 20:5

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9
Q
Which Essential fatty acid is an omega 3 fatty acid?
A. Linoleic acid
B. Linolenic acid
C. Eicosapentaenoic acid 
D. Arachidonic acid
A

B

Linolenic acid

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10
Q
Which 2 Essential fatty acid are omega 6s?
A. Linoleic acid
B. Linolenic acid
C. Eicosapentaenoic acid 
D. Arachidonic acid
A

A & D
Linoleic acid
ARA

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11
Q
Which of the following becomes essential when Linoleic acid is absent:
A. Linoleic acid
B. Glycerol
C. Eicosapentaenoic acid 
D. Arachidonic acid
A

D

ARA

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12
Q

T/F: Triglycerides are a main component of the lipid bilayer

A

False

These are Phospholipids

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13
Q
How many fatty acids does a phospholipid have?
A. 2
B. 3
C. 5
D. 1
A

2

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14
Q
What is the carbon:double bond for linoleic acid?
A. 20:4 
B. 18:2
C. 18:3
D. 20:5
A

18:2

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15
Q
What is the carbon:double bond for linolenic acid?
A. 20:4 
B. 18:2
C. 18:3
D. 20:5
A

18:3

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16
Q
What is the carbon:double bond for EPA?
A. 20:4 
B. 18:2
C. 18:3
D. 20:5
A

20:5

17
Q
The liver converts cholesterol into bile. Bile helps to emulsify:
A. Vitamins
B. Carbs
C. Fat
D. Proteins
A

Fat

18
Q

Fat + Bile is a:
A. Glycerol
B. Polysaccharide
C. Mixed micelle

A

Mixed micelle

19
Q
What is the allosteric enzyme for cholesterol synthesis?
A. HMG- synthase
B. HMG- CoA reductase
C. HMG CoA Synthase
D. HMG CoA Oxidase
A

B

HMG- CoA Reductase

20
Q

How many precusor molecules are there for cholesterol?
A. 2
B. 3
C. 4

A

4

21
Q

What are the 4 precusor molecules for cholesterol?

MASH

A

Mevalonate
Acetyl CoA
Squalene
HMG CoA

22
Q
The function of transporting endogenous lipids from the liver to the body describes which of the following:
A. Chylomicron
B. Low Density lipoprotein
C. High Density lipoprotein
D. Very Low Density lipoprotein
A

D

VLDL

23
Q
The function of transporting Cholesterol from the liver to the body describes which of the following:
A. Chylomicron
B. Low Density lipoprotein
C. High Density lipoprotein
D. Very Low Density lipoprotein
A

B

LDL

24
Q
The function of removing free Cholesterol from the blood describes which of the following:
A. Chylomicron
B. Low Density lipoprotein
C. High Density lipoprotein
D. Very Low Density lipoprotein
A

HDL

Good guy

25
Q
Which of the following would need lecithin cholesterol acyl lipase (LCAT) to function properly:
A. Chylomicron
B. Low Density lipoprotein
C. High Density lipoprotein
D. Very Low Density lipoprotein
A

HDL

HDL owns a good Little CAT

26
Q
The function of transporting dietary lipids to the body describes which of the following:
A. Chylomicron
B. Low Density lipoprotein
C. High Density lipoprotein
D. Very Low Density lipoprotein
A

Chylomicron

27
Q
Which of the following consists of the lowest % of protein?
A. LDL
B. HDL
C. VLDL
D. Chylomicron
A

VLDL

28
Q
Which of the following consists of the highest % of cholesterol?
A. LDL
B. HDL
C. VLDL
D. Chylomicron
A

LDL

BADDDDD

29
Q
Which of the following consists of the highest % of Triglycerides?
A. LDL
B. HDL
C. VLDL
D. Chylomicron
A

Chylomicron

30
Q
What enzyme is responsible for the breakdown of triglycerides?
A. HMG- CoA Reductase
B. Lipase
C. Lactase
D. Maltase
A

Lipase