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GCSE Food & Nutrition > Protein > Flashcards

Protein Flashcards

1
Q

Is protein a macronutrient or a micronutrient?

A

Macronutrient

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2
Q

What is protein needed for?

A

Growth, Maintenance & Repair

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3
Q

What is another role of protein in the diet?

A

It helps the production of hormones and enzymes

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4
Q

What are protein chains made up of?

A

Amino Acids

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5
Q

What are the two types of amino acids?

A

Essential & Non-Essential

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6
Q

How many amino acids are essential?

A

8 for adults

10 for children

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7
Q

What are the two types of protein?

A

High Biological Value (HBV) - complete proteins

Low Biological Value (LBV) - incomplete proteins

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8
Q

Where do HBV proteins come from?

A

Animal Sources

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9
Q

Where do LBV proteins come from?

A

Vegetable Sources

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10
Q

What are sources of HBV protein?

A

Meat, Fish, Dairy Products

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11
Q

What are sources of LBV protein?

A

Chickpeas, Seeds, Nuts

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12
Q

What is Protein Complementation?

A

The possibility to create a high quality protein from mixing more then one type of LBV food. It contains all of the amino acids.

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13
Q

What are some examples of Protein Complementation?

A

Beans on toast, Rice with Lentils

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14
Q

What are Alternative Protein Sources?

A

Used as meat replacements in the diet

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15
Q

What are some examples of Alternative Protein Sources?

A

Textured Vegetable Protein, Microprotein, Soya, Tofu & Quorn.

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16
Q

What is the Reference Nutrient Intake of Protein?

A

0.75g

17
Q

How much protein does an adult man require daily?

A

`56g / day

18
Q

How much protein does an adult woman require daily?

A

45g / day

19
Q

Name two groups of people who require extra protein

A

Breastfeeding women, Infants

20
Q

What effects on the body can a protein deficiency have?

A

Weaker muscles & Slimmer Limbs
Can cause oedema - a build up of fluid in the hands and feet
Slow growth in children and possibly underdeveloped
Can cause liver and digestive problems

21
Q

What can excess protein consumption lead to?

A

Stored as an energy source

Can also damage organs

GCSE Food & Nutrition (4 decks)

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