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Flashcards in NBS Chemistry Lipids Deck (30):
1

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

Ester

2

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

Coconut oil

3

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

Olive oil

4

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

Palm oil

*cococnut oil would also apply

5

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

Linoleic acid

18:2

6

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

Olive oil
Canola oil
Avocados

7

Which Essential fatty acid has 20 carbons and 4 double bonds?
A. Linoleic acid
B. Linolenic acid
C. Eicosapentaenoic acid
D. Arachidonic acid

D
Arachidonic acid (ARA)= 20:4

8

Which Essential fatty acid has 20 carbons and 5 double bonds?
A. Linoleic acid
B. Linolenic acid
C. Eicosapentaenoic acid
D. Arachidonic acid

C
EPA= 20:5

9

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

B
Linolenic acid

10

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

A & D
Linoleic acid
ARA

11

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

D
ARA

12

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

False
These are Phospholipids

13

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

2

14

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

18:2

15

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

18:3

16

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

20:5

17

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

Fat

18

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

Mixed micelle

19

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

B
HMG- CoA Reductase

20

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

4

21

What are the 4 precusor molecules for cholesterol?
(MASH)

Mevalonate
Acetyl CoA
Squalene
HMG CoA

22

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

D

VLDL

23

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

B

LDL

24

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

HDL

Good guy

25

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

HDL

HDL owns a good Little CAT

26

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

Chylomicron

27

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

VLDL

28

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

LDL

BADDDDD

29

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

Chylomicron

30

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

Lipase