What is ATP and its main Function

What is ATP and its Function

 

ATP means Adenosine tri-phosphate. Its uses are as under:

 

  1. i) It is used in synthesis of various compounds like carbohydrates, fats and proteins etc.

 

  1. ii) It is used in carrying out any physical work like muscle contraction.

 

Composition:

 

It is made up of three-phosphate group. Adenosine is formed of nitrogenous base (adenine) and sugar (ribose). In ATP three-phosphate group are attached in series.

 

Uses:

 

The bond between phosphate groups contain a large amount of chemical energy. When these bonds are broken down a large amount of energy is released which is used in different activities of organism.

 

 

Different Methods of Respiration

 

There are two types of methods of respiration:

 

Anaerobic respiration:

 

Some organisms oxidize their food without using any molecular oxygen. This is known as anaerobic respiration. In this process less energy is produced. It is also called fermentation.

 

Aerobic respiration:

 

In higher organisms energy is produced using molecular oxygen. This is known as aerobic respiration. In this method large quantity of energy is produced.

 

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