Q5 of 12 Page 9

Explain the composition of triglyceride.

Triglycerides have a three –OH group containing glycerol linked to three fatty acids molecules by ester bond constitutind triglycerides. During esterification three molecules of water are eliminated e.g. Triplamitin, tristearin and triolein.

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3 Proteins have primary structure. If you are given method to know which amino acid is at either of two terminal ends of a protein, can you connect this information to purity or homogeneity of a protein? 4 Find out and make a list of proteins used as therapeutic agents. Find other applications of proteins (e.g. Cosmetics etc). 6 Can you describe what happens when milk is converted into curds or yoghurt from your understanding of proteins? 7 Attempt titrating an amino acid against a weak base and discover the number of dissociating (ionizable) functional groups in the amino acid.