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NBS > Biochemstry Lipids (18%) > Flashcards

Biochemstry Lipids (18%) Flashcards

1
Q

What is the bond called between a glycerol and fatty acids called

A

Ester bond

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2
Q

What are the charactertistcs iof a Saturated Fatty Acid

A

no Carbon-carbon double bonds
Filled with Hydrogen
Heavy, dense and solid at room temp

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3
Q

What are some examples of Saturated Fatty Acid

A

Lard, butter, Cocconut Oil, and Palm Oil

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4
Q

What are the characteristics of Monosaturated Fatty Acid

A

One carbon-carbon double bond

Liquid at room temperature

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5
Q

Examples of Monosaturated fatty acids

A

Olive Oil, Olices, Peanut Oil

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6
Q

What are the characterisics of Polysaturated Fatty Acids

A

More than one carbon-carbon bond

liquid at room temperature

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7
Q

Examples of polysaturated fatty acids

A

sunflower oil, corn oil, sobean oil,alpha linolenic (essential AA)

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8
Q

What are the essential fatty acids

A 
Arachidonic   20:4
Linolenic        18:3
Linoleic          18:2
EPA               20:5
(ALLE)
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9
Q

Cholesterol is used to mkae

A

Steroid hormones
Bile salts
Cell membranes

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10
Q

What is required to make cholesterol

A

ATP
Mg
NADPH

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11
Q

What are the precursoe molecules for Cholesterol

A

Melvalonate
Acetyl CoA
Squalene
HMG CoA

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12
Q

What are the lipoproteins

A

Chylomicron
VLDL
LDL
HDL

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13
Q

Which lipoprotein is not made in the liver

A

Chylomicron (intestinal mucosa)

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14
Q

What is the function of chylomicron

A

transports dietary lipids to body

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15
Q

What is the function of VLDL

A

Transports endogenous lipids from liver liver to body

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16
Q

What is the function of LDLs

A

Transort cholesterol from liver to body

17
Q

What are the functions of HDL

A

Removes excess “free” cholesterol form the blood

18
Q

Where is beta oxidation occuring

A

Mitochindria

19
Q

What is the function of beta oxidation

A

Cuts fatty acid chain, 2 carbons at a time tom make Acetyl CoA for Krebs cycle

20
Q

What system is Carnitine assocaited with

A

Beta Osidation

21
Q

What does Carnitine do

A

“drives” tansports fatty acid chain into mitochindria

22
Q

What doe beta oxidtaion produce

A

One Acteyl CoA
Reuces FAD to FADH
Reduces NAD to NADH

23
Q

The final piece of beta oxidation will be

A

Propionyl CoA (3 carbons long)

24
Q

What is the function of Ketogenesis

A

froms Ketone bodies as a by-product of Beta Oxidation

25
Q

Where is Lipogenesis occuring

A

Cytoplasm

26
Q

What does Lipogenesis produce

A

Fatty acids, from Acteyl CoA

27
Q

What is the intermediate of Lipogenesis

A

Malonyl CoA

28
Q

What stimulates Lipogenesis

A

ATP and insulin

29
Q

What inhibits Lipgenesis

A

Epi, and glucagon

30
Q

Digestion for lipids occur in

A

Mouth

Small Intestine

NBS (22 decks)

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