Sunday, July 25, 2010

Proteins :DD

it is the most abundant organis molecules in cells .

proteins are of three types :

enzymes speeds the rate of chemical reaction

hormones reguates other parts of body

antibody protects body from antingen

amino acid bldg. blocks of proteins

amino acids are joined together by the peptide bonds.


The general structure of amino acid :



Sunday, July 18, 2010

Sugar :DD

This I've learned about yhe molecules of sugar , different types of sugar and different shapes of the molecules of sugar .
I've learned that it could be arranged i acylic and in cyclic way .
I've also learned that complex sugar are made up of simpler sugar named as glucose , galactose and fructose .