Food and Biological Molecules Flashcards
(20 cards)
What type of nutrient is cellulose?
Carbohydrate (polysacharide)
what is vitamin A used for?
used for the body’s natural defences
helping vision in dim light
keeping skin healthy
What elements is Protein made of
Carbon, Hydrogen, Oxygen and Nitrogen
where can you get good amounts of vitamin A
cheese
eggs
oily fish
milk and yoghurt
liver
What vitamin is responsible for healthy bones and teeth?
Vitamain D
What Reagent tests for starch
Iodine
What type of reagent tests for glucose?
Benedicts solution(blue negetive red orange positive)
What are carbohydrates made up of?
Carbon, Hydrogen and Oxygen
What is the monomer of proteins called?
Amino Acids
What is vitamin B used for?
(not needed for test)
To help the body to use the energy-yielding nutrients (such as carbohydrates, fat and protein) for fuel.
where can you get good amounts of vitamin C?
citrus fruit, such as oranges and orange juice
peppers
strawberries
blackcurrants
broccoli
brussels sprouts
potatoes
What type of reagent can be used for starch.
Iodine (turns blue/black when positive and stays brown when negative)
What are carbohydrate monomers called?
Saccharides (sugar)
What are the monomers of protein
Amino acids
What is a balanced diet
a diet that contains the correct proportion of each nutrient
what is vitamin D used for?
helps regulate the amount of calcium and phosphate in the body.
These are needed to keep bones, teeth and muscles healthy.
What is an exmple of lipids
avocados and olive oil
what are good sources of vitamin D?
oily fish
red meat
liver
egg yolks
fortified foods and breakfast cereals
what kind of bonds does saturated fat have
single
