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MyNBCE - Biochemistry- Fat Metabolism > Overview > Flashcards

Overview Flashcards

1
Q

Triglycerides aka

A

triacylglycerols

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2
Q

What is the major lipid component of our diet?

A

Triglycerides/triacylglycerols

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3
Q

What are other dietary lipids?

A

Cholesterol, phospholipids and free fatty acids

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4
Q

Triglyceride metabolism begins where?

A

In small intestine

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5
Q

What does lipase do?

A

Hydrolyzes the ester bond between glycerol and fatty acids

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6
Q

Lipase is produced where?

A

pancreas

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7
Q

Lipase works best in what?

A

water

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8
Q

Products produced by lipase are?

A

monoacylglycerol

2 fatty acids

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9
Q

Each fatty acid is made up of what?

A

A carbon chain with a caboxy (-COOH) group at one end

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10
Q

What are the 5 main types of lipoproteins?

A 
HDL
LDL
VLDL
IDL
chylomicrons
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11
Q

Which lipoprotein is “happy” with cis form, double bonds, cholesterol?

A

HDL

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12
Q

What is IDL? What is it similar to?

A

Intermediate density Lipoprotein

Similar to LDL

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13
Q

Which one is “lethal” cholesterol? In Trans from?

A

LDL

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14
Q

cis form?

A

HDL

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15
Q

Trans form?

A

LDL

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16
Q

Which lipoprotein transports triglycerides from liver to tissues?

A

VLDL

17
Q

Which large lipoprotein transports dietary lipids from the intestine to other locations in the body?

A

chylomicrons

18
Q

Where and how are fats stored?

A 
As triacylglycerols (triglycerides)
Adipose tissue and in liver
19
Q

What are the four main types of fatty acids?

A

Saturated, unsaturated, essential, and non-essential

20
Q

This fatty acid has NO DOUBLE BOND between carbon atoms.

A

saturated

21
Q

Why are saturated called “saturated”?

A

Have no double bonds are so fully “saturated” with hydrogen atoms

22
Q

What are examples of saturated fatty acids? How many carbons?

A

Palmitic - 16 carbons
Stearic - 18 carbons
Arachidic - 20 carbons

23
Q

Oleic acid is a _____ unsaturated fatty acid. How may carbons? Where is double bond?

A

Mono

18:1(9)

24
Q

Linoleic acid is a ______ unsaturated FA. How many carbons. Where?

A

18:2(9,12)

25
Q

A-Linoleic acid?

A

18:3(9,12,15)

26
Q

arachadonic acid?

A

20:4(5,8,11,14)

27
Q

These fatty acids are not made by the body.

A

essential

28
Q

Name essential fatty acids

A

Linoleic

linolenic

29
Q

Linoleic is an omega ___. How many carbons?

A

6

18

30
Q

Linolenic is an omega ___. How many carbons?

A

3

18

31
Q

Fatty acids that can be manufactured in the body are called?

A

non-essential

32
Q

Which fatty acid becomes essential when Linoleic acid is absent from the diet?

A

arachadonic acid

33
Q

Arachadonic acid is made from which essential fatty acid?

A

linoleic

34
Q

Fatty acids are used to make cholesterol from which what things are made? 5

A 
Bile acids
Cell membranes
Steroid hormones
Prostaglandins
Vitamin D

MyNBCE - Biochemistry- Fat Metabolism (2 decks)

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