Q.Define enzymes

Step 1. As introduced in §14.2.9, many biochemical reactions -- digestion of food, harvesting energy, and biosynthesis of cellular molecules -- occur continuously in living cells, and every one of these reactions is catalysed by special proteins called enzymes.

Step 2. Enzymes act as biocatalysts, accelerating their target reaction's rate by roughly a factor of 10⁵, and they do so with very high specificity -- typically acting on just one substrate or a narrow group of related substrates (e.g. carbonic anhydrase on carbonic acid, sucrase on sucrose, lactase on lactose). …

Combine the definition, rate-acceleration figure and specificity property given directl …

• Defining an enzyme merely as 'a catalyst' without noting that it is specifically a PROTEIN biocatalyst with high substrate specificity -- both the protein nature and the specific …