protein Flashcards

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1
Q

Define amino acids

A

The smallest units of a protein

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2
Q

Define essential amino acids

A

Amino acids that cannot be made by the body, so have to be provided through the food we eat

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3
Q

Define food combining

A

Mixing different low biological value proteins to supply all the essential amino acids

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4
Q

Define HBV proteins

A

Proteins that contain all the essential amino acids

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5
Q

Define LBV proteins

A

Proteins that do not contain all the essential amino acids

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6
Q

List 4 examples of HBV proteins

A
  • meat
  • fish
  • poultry
  • dairy
  • soya
  • tofu
  • quorn
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7
Q

List 4 examples of LBV proteins

A
  • cereals
  • peas
  • beans
  • pulses
  • nuts
  • seeds
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8
Q

List 3 examples of vegetarian meals that combine LBV proteins

A
  • beans on toast
  • dhal and rice
  • hummus and pitta bread
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9
Q

State 3 functions of protein in the diet

A
  • used for growth, especially in children and pregnant women
  • used to repair body tissue after illness, accidents and surgery; renewal of cell proteins for people of all ages
  • enzymes vital for metabolism are composed of proteins
  • hormones, which regulate some important bodily functions, are also composed of protein
  • proteins provide a secondary source of energy. When the body has used all the amino acids it needs for construction, the remainder are burnt for energy
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10
Q

State 3 health problems of protein deficiency

A
  • in children, growth slows down or stops
  • digestive upsets are caused as enzymes are not produced
  • the liver fails to functional normally
  • muscles become weak, so limbs are thin and the tummy is soft and may look distended
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11
Q

List 4 examples of animal sources of protein

A
  • all meat (including poultry, offal and game)
  • fish
  • cheese
  • milk
  • eggs
  • gelatine
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12
Q

List 4 examples of vegetable sources of protein

A
  • soya beans and soya products
  • pulses and beans
  • cereal grains and cereal products
  • nuts
  • quorn
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