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what are the biological molecules?
carbohydrates, lipids, proteins
carbohydrates: found?
found in starchy foods
e.g. potatoes, pasta, bread etc
lipids: found?
found in foods such as:
oily fish, nuts and seeds, dairy products etc
proteins: found?
found in foods such as:
fish, nuts and seeds, legumes - lentils and beans
carbohydrates: needed for?
needed for energy
energy for carrying out chemical reactions
energy for moving around
lipids: needed for?
needed for energy storage
needed for insulation
needed for protection
proteins: needed for?
needed for growth
needed for repair
carbohydrates: broken down into?
broken down into glucose
lipids: broken down into?
broken down into glycerol and fatty acids
proteins: broken down into?
broken down into amino acids
how do enzymes help digestion?
they break down large molecules that we eat into smaller, soluble molecules which can be absorbed through the intestinal lining
how is starch broken down?
they are broken down by amylase into smaller sugars - called maltose/glucose
how are proteins broken down?
they are broken down by protease into amino acids
how are lipids broken down?
they are broken down by lipases into both glycerol and fatty acids
where is amylase made?
pancreas
small intestine
salivary glands (mouth)
where is protease made?
stomach
pancreas
small intestine
where is lipase made?
small intestine
pancreas