PAPER 1 > DIET AND NUTRITION Flashcards
MACRONUTRIENTS
a type of food (fat/protein/carbohydrate) required in large amounts in an individuals diet
MICRONUTRIENTS
vitamins and minerals we only need in small amounts that play an important role in well being
DEFINE ENZYME
biological catalysts which increase the speed of chemical reactions
DEFINE GLUCOSE
a simple sugar which is an important energy source in living organisms and is a component of many carbohydrates
DEFINE KCAL
kilocalorie - is equal to 1000 calories
DEFINE AMINO ACID
the building blocks of proteins
DEFINE BMI
Body Mass Index
> a measure of whether you are a healthy weight for your height
DEFINE THERMIC
temperature
DEFINE METABOLISM
how quickly you burn calories or fat (the chemical processes that let you stay alive)
DEFINE EXPENDITURE
the amount of energy (or calories) that a person need to carry out a physical function
PROTEINS FUNCTIONS
growth and repair
PROTEIN EXAMPLES
meat / fish / beans / nuts
FATS FUNCTIONS
store energy
TWO TYPES OF FATS
saturated and unsaturated
SATURATED FATS AT ROOM TEMPERATURE
solids (cheese)
UNSATURATED FATS AT ROOM TEMPERATURE
liquids (avocado / nuts / oil)