Enzymes are biological catalysts that speed up the rate of chemical reactions within organisms. They do this by lowering the…
Proteins are large, complex molecules that have many functions within organisms, from catalysing reactions to being key components in cellular…
Carbohydrates are organic compounds consisting of carbon, hydrogen and oxygen atoms. They are the main energy source of organisms making…
Lipid – an organic compound consisting of carbon, hydrogen and oxygen atoms. They are hydrophobic and insoluble in water, however…