Food Flashcards
Elements in Carbohydrates
CHO
sources of carbohydrates
bread, pasta
what is a monosaccride
sub unit of a carbohydrate
what is a general formula for a carbohydrate
Cx(H2O)y
name a monosaccride
glucose
what is a disaccharide
2 single sugar units joined together
name an example of a disaccharide
maltose. sucrose
what is a polysaccride
many simple sugar units joined together
example of a structural polysaccharides
cellulose-plant cell walls
chitin
example of a metabolic polysaccharide
plants- starch (energy storage)
animals-glycogen
name the test for starch
Iodine
blue-black
name the test for reducing sugar(glucose)
benedicts solution
(heat)
Blue - Brick red
Name the elements in proteins
CHNO
protein in found in…
meat,eggs
what is a sub unit of a protein
amino acid
how many amino acids are there
20
Name structural protein
collagen- skin
kreatin- hair and nails
what is the metabolic role of proteins
enzymes control reactions
horomones- control reactions and honostatsis
where is protein made
ribosome
what is the test for protein
biurets solution
blue- violet
what is a fibrous protein
slow little folding
what is a globular protein
lots of folding
important for metabolism
folded into roughly spherical shape
Name the elements in lipids
CHO
lipids are found in…
butter, nuts