Link to newer version (for IB exams 2016 onwards). • B.3 Triglycerides (SL) Please note there is a slight error in the video at 0.54; the water molecule is formed from the OH on the fatty acid and the H on the glycerol molecule (not the other way around). B.4.1 Compare the composition of the three types of lipids found in the human body. B.4.6 Describe the condensation of glycerol and three fatty acid molecules to make a triglyceride. The three types of lipids are triglycerides, steroids and phospholipids. Triglycerides can be found here: • B.4.6 Describe the condensation of glycero... Phospoholipids here: • B.4.1 Compare the composition of the three... Steroids can be found here: • B.4.1 Compare the composition of the three... Link to worksheet with practice exam questions: https://drive.google.com/file/d/0B3Sp...