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11th Science Biology Online & Offline NCERT Solutions

11th Science Biology  Online & Offline NCERT Solutions 

Role of Digestive Enzymes
Food acts as a source of energy for all creatures in this world including human beings.
Proper & complete digestion of food is necessary to harness energy out of it and to maintain good health. Complex components of food like Proteins, Carbohydrates, and Fats are converted into simpler molecules by the process called Digestion. In digestion, different types of digestive enzymes and gastrointestinal hormones play an important role in converting the complex substances of food into simpler substances which can be absorbed by the body. In this article, we will learn more about digestive enzymes, gastrointestinal hormones and their role in digestion.
Enzyme can be understood as any of a group of complex proteins or conjugated proteins that are produced by living cells and act as catalysts in specific biochemical reactions
The enzyme is a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction. Enzymes are proteins that act as catalysts within living cells. Catalysts increase the rate at which chemical reactions occur without being consumed or permanently altered themselves. A chemical reaction is a process that converts one or more substances (known as reagents, reactants, or substrates) to another type of substance (the product).
As a catalyst, an enzyme can facilitate the same chemical reaction over and over again.
As we eat food, the food enters and travels through a long tube so called gastrointestinal tract or the alimentary canal.This alimentary canal starts at the mouth cavity and continues through the pharynx, oesophagus (food pipe), stomach, small and large intestines, rectum and finally stops at the anus. The food particles get digested gradually as they travel through various compartments of the alimentary canal. The process of digestion begins from the mouth cavity and ends in the anus.

Digestive Enzymes involved in the process of digestion can be classified into four broad categories:
  1. Lipolytic Enzymes: These enzymes break down fats into glycerol and fatty acids.
  2. Proteolytic Enzymes: These enzymes breakdown proteins into amino acids.
  3. Amylolytic Enzymes: These enzymes breakdown carbohydrates into simple sugars.
  4. Nucleolytic Enzyme:This enzyme breaks down nucleic acids into


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