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Balanced Diet
Glycaemic index and glycaemic load
Vitamins and mineral salts
Bacteria in the gut
Diet and disease
Polymers and digestion
Enzymes and how they work
Factors affecting enzyme activity
Medical uses of enzymes
Problems with enzymes
The lungs and ventilation
Gas exchange
Plasma membranes
Active transport
Cystic fibrosis
Cell structure
Living with cystic fibrosis
Salmonella food poisoning
Antibiotic resistance
Antigens and phagocytosis
B cells…read more

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T cells
Antibodies and vaccination
Monoclonal antibodies
The heart
How the heart beats
Blood vessels
Factors affecting CHD
Treating CHD
Deep vein thrombosis
Capillaries and exchange…read more

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Balanced Diet
Balanced Diet
A balanced diet should be balanced in terms energy and food groups.…read more

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Glycaemic index and glycaemic load
Glycaemic Index
A measure of the effect 50g of food on blood glucose level, and how quickly blood
glucose is raised, compared to 50g of glucose.…read more

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Vitamins and mineral salts
Organic molecules needed by the body in small amounts
Interact with important enzymes involved in cell processes
Vitamin D found in egg yolk, oil fish and meat, as well as being made in the body from
ultraviolet rays emitted by the sun
Vitamin D can be stored in our muscles and body fat and is needed so that Calcium can
be absorbed by the body
Vitamin D deficiency can lead to rickets in children Vitamin D deficiency in adults can…read more

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Bacteria in the gut
Bacteria in the gut
A wide range of bacteria is food in the gut and most is not harmful
Vitamin K is needed by the liver to synthesis the enzyme thrombin Thrombin is the
enzyme needed for blood clotting
Humans cannot synthesis vitamin K so it is needed from other sources
There are 2 forms of vitamin K, K1 and K2
Vitamin K1 is found in dark green vegetables such as spinach
Vitamin K2 is produced by some bacteria that live…read more



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