Food Flashcards

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1
Q

Food is needed for

A

Energy (ATP - Adenine Triphosphate)
Growth of new cells
and Repair of existing cells

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2
Q

Made up of 6 chemical elements

A
CHONPS
Carbon
Hydrogen
Oxygen
Nitrogen
Phosphurus
Sulfur
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3
Q

Salts :

A

Sodium(NA) ,Magnesium(Mg) ,Chlorine, Potassium and Calcium

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4
Q

3 trace elements

A

Iron - Blood
Copper - Heart Health
Zinc - Immune system

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5
Q

Carbohydrates made up of

A

Carbon Hydrogen Oxygen

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6
Q

Genereal formula

A

Cx(H2O)y

Twice a many hydrogen molecules as oxygen moleculues

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7
Q

3 types of Carbs

A

Monosaccharide
Disaccharide
Polysaccharide

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8
Q

Monosaccharide

A

single sugar molecules
soluble in water
E.X Glucose Fructose

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9
Q

Disaccharide

A

double sugar molecules
soluble in water
sweet to taste
EX Sucrose lactose maltose

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10
Q

Polysaccharide

A

Many monosaccharide sugar molecules joined together
not soluble or sweet
EX Starch Cellulose

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11
Q

Lipids

A

Fats (solid at room temp)
Oils (Liquid at room temp)
Steroids (Include cholesterol and some sex hormones)
Waxes ( cover insect bodies and plant leaves)

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12
Q

Lipid is made up of

A

Carbon Hydrogen Oxygen
does not have the same ratio as Carbs
made up of 2 main types of molecules = fatty acid and glycerol

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13
Q

Triglycerides

A

glycerol attached to 3 fatty acids

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14
Q

Phospholipid

A

glycerol attached to 2 fatty acids and a phosphate

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15
Q

Role of lipid

A

Heat insulation
protect organs
waterproofing

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16
Q

Proteins

A

Made up of long chains of amino acids
amino acids joined together by peptide bonds
results in the formation of polypeptide chains

17
Q

twisted protein

A

fibrous

18
Q

Folded protein

A

globular

19
Q

Prion

A

protein that does not fold correctly

20
Q

Vitamins

A

essential organic catalyst of metabolism
needed in small amounts not made in the body
differ from each other chemically

21
Q

water

A

B and C

22
Q

Fat soluble

A

A D E K

23
Q

Vitamin C

A

making collagen for connective tissue
Iron absorption
Defficiency = scurvy

24
Q

Vitamin D

A

Rickets (children )

Osteomalacia