PARDEEP JASSAL
Compare and Contrast Carbohydrates, Lipids and Proteins
The main organic molecules are carbohydrates, proteins and lipids. Carbohydrate, Protein and Lipid molecules all contain the elements carbon, hydrogen and oxygen. Proteins contain nitrogen and sometimes sulphur while Carbohydrates and Lipids don’t. Plants make carbohydrate molecules by photosynthesis but Proteins and Lipids are made from the modification of Carbohydrates. Carbohydrates, Lipids and Proteins are all made of simpler molecules. These molecules are joined together by condensation reactions which link substances together but also produce water.
Carbohydrates can be divided into three sections according to size which are monosaccharide, disaccharide and polysaccharides, Proteins can be divided into two groups which are globular and fibrous proteins whereas Carbohydrates are split into three groups. Lipids are similar to Proteins because there are two different types which are triglycerides and phospholipids.