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Sport And Exercise Science > Lipids > Flashcards

Lipids Flashcards

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1
Q

What is a fat

A

Compounds that are soluble in solvents but insoluble in water

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2
Q

Where are fatty acids found

A

Adipose tissue
Skeletal muscle

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3
Q

Use of fatty acids

A

To release energy into the human body

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4
Q

Food examples

A

Meat
Butter
Cheese
Chocolate
Oil

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5
Q

What elements make up fatty acids

A

Carbon
Hydrogen
oxygen

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6
Q

What is the typical structure of lipids

A

Ch3

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7
Q

What is the typical structure of lipids

A

Ch3

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8
Q

What is the general formula

A

R-COOH

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9
Q

What is COOH

A

Carboxylic acid

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10
Q

What is COOH

A

Carboxylic acid

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11
Q

What is CH3

A

Methyl end

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12
Q

Where is the methyl end

A

Start of chain

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13
Q

Where is COOH END

A
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14
Q

Where is COOH END

A
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15
Q

What are the classifications of lipids

A

Short chain fatty acid = 6 chain or less

Medium chain fatty acid = 8 - 12

Long chain fatty acid = 14 chain +

Very long chain fatty acid = 22 chains +

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16
Q

What are the 2 essential fatty acids

A

Omega 3

Omega 6

17
Q

Example of omega 3

A
18
Q

example of omega 6

A
19
Q

the steps of lipid metabolism

A

lipolysis
fatty acid transport
carnitine shuttle

20
Q

where does lipid metabolism first take place

A

in adipose tissue

21
Q

what happens in the adipose tissue

A

lipolysis
triglyceride is broken unto fatty acid and glycerol

22
Q

after being broken down in the adipose cell where is glycerol and fatty acid released into

A

blood stream

23
Q

what is the key regulating enzyme

A

hormone sensitive lipase

24
Q

what up regulates HSL

A

adrenaline

25
Q

what down regulates HSL

A

insulin

26
Q

what is the role of HSL

A

breakdown triglyceride

27
Q

what do fatty acids bind to in the blood

A

albumin

28
Q

why do fatty acids bind to albumin

A

carry fatty acid to skeletal muscle

29
Q

where does glycerol go

A

into liver cell

30
Q

what happens to the gycerol in the liver cell

A

glycerol is turned into glucose

31
Q

where is this glucose released to after being in the liver

A

blood then muscle

32
Q

what is the role of the carnitine shuttle

A

fatty acid from cytoplasm to mitochondria matrix

33
Q

what binds to fatty acid in the cytoplasm

A

carnitine

34
Q

what happens in the matrix of mitochondria

A

beta oxidation

35
Q

what is the ratio of the carnitine shuttle

A

1:1

36
Q
A

Sport And Exercise Science (7 decks)

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