food molecules Flashcards
what elements are in carbohydrates
carbon, oxygen, hydrogen
what elements are in proteins
carbon, oxygen, hydrogen, nitrogen, sometime sulphur
what elements are in lipids
carbon, oxygen, hydrogen
what is the name of the simple sugars of carbohydrates
monosaccharides
examples of monosaccharides
glucose, fructose, galactose
when 2 monosaccharides join together what is formed?
a disaccharide
examples of disaccharides
maltose, lactose, sucrose
when lots of monosaccharides join together what is formed?
polysaccharides
examples of polysaccharides
starch, glycogen, cellulose
what are most lipids in the body made of
triglycerides
what are triglycerides made of
1x glycerol and 3x fatty acids
what are proteins
long chains of amino acids
what is the monomer of proteins
amino acids
what are 2 amino acids called?
dipeptide
what are many amino acids called?
polypeptide
