MONOSACCAHARIDED
DISACCHARIDES
POLYSACHARIDES
POLYSACCHARIDES -
when theyre linked trough condensation they become long chain of molecules or a polymer.
-condensations of glucose monomers
- insoluble in water (large molecule size)
- aint sweet doest crytalize like disaccharides
-STARCH (found in wheat, rice, potato, bread, corn) (main energy storage compound in plants) (iodine test is carried out to test the presence in starch)
- GLYCOGEN (animal starch) (main reserve of carbo in animals and yeast) (liver and muscle cells)
- CELLULOSE (amke cell walls)
- poly Can be broken down by adding DILUTE ACIDS, BOILING, TROUGH ENZYME REACTIONS
PROTEINS!!
- are made up of CHONSP
- made up of one or more polymers = POLYPEPTIDES
- POLYPEPTIDES are made of monomers whis is AMINO ACID
- Through CONDENSATION, by a PEPTIDE BOND, TWO MOLECULES OF AMINO ACIDS FORM DIPEPTIDE. one water molecule is removed
-can be broken down to AMINO ACIDS by HYDROLYSIS
- if PROTEIN or POLYPEPTIDES are broken down - absorbed in the blood stream
- then amino acid are used to synthesise protein molecules that are needed by the body
TYPES OF AMINO ACIDS -
-20 naturally ocuring amino acids;
ESSENTIAL AMINO ACIDS NON-ESSENTIAL AMINO ACIDS
-Animals, us, are FIRST CLASS PROTEIN (they contain all the essential amino acids needed by the body
- Plants - SECOND CLASS PROTEINS (dont contain al amino acid)
what are essential amino acids?
- amino acids that cant be synthesized by the body.
- LEUCINE. dont make a scene with eugene huhu
- 9 other essential amino acids. can oly be obtained frm a healthy diet
what are non essential amino acids?
- can be synthesised by the body
- 11 non essentials
PROTEIN STRUCTURES.
got 4
primary structures, secondary structures, tertiary structures, quarternary structures.
secondary structures : specific linear sequence
secondary structures - polypeptide chain that is coiled to form an alpha-helix chain. folded, beta pleated sheets. they are held together by hydrogen bonds
tertiary : then alpha and beta tu coiled and folded lagi into a 3D shape. (plasma, antibodies and plasma proteins)
quarternary : 2 or more tertiart srucrfure polypeptide chains are arange to form a complex and fuctinal proten molecule (haemoglobin)
LIPIDS (CHO)
-FATS AND OILS
* they are TRIGLYCERIDES
- triglycerides are esters that's formed throigh condensation of one molecule of glycoden 3 fatty acids
- each molecule of fatty acid consists of a long hydrocarbon change w a diff number of carbon atoms
SATURATED FATS - saturated fatty acids (solid at room temp)
UNSATURATED FATS - unsaturated fatty acid (liquid like oil)