What molecules are in the structure of lipids?
A molecule of fat
Carbohydrate molecule
5 fatty acid molecules
What are fats good for?
Insulation
Give buoyancy
Fat is in the heart and kidneys
Carbs contains more energy than fat
Fat that comes from animals is unsaturated, and fat from plants is saturated
What food contains the largest amounts of fat
Mayonnaise
Chicken
Oils
Sausages
Tomatoes
CARBONHYDRATES What type of carbs listed, not a sugar?
Monosaccharides
Disaccharides
Polysaccharides
Which carb tastes sweet?
Oligsaccharides
What type of carb is glucose?
What do we use to test for starch?
Iodine test
Biurets test
Benedictus test
Using the iodine test what is the positive colour if starch is present in the food?
Purple
Orange
Black
Lipids are not found in butter, nuts, sausages and cheese
What foods are carbs heavy in
Potatoes
Carrots
Minerals are not used for structures
78% of cells are water
Vitamins have lots of energy value
A protein has an active site, a substrate (enzyme)
ENZYMES Not all are proteins
Each enzyme controls one particular reaction
They are all affected by PH and temp