Adenosine Tri Phosphate ATP


 
 
Concept Explanation
 

Adenosine Tri Phosphate ATP

Inside the mitochondria, when an inorganic phosphate group (PO_4^3-, represented as Pi) gets attached to a compound called ADP (adenosine diphosphate), a molecule of ATP is formed:   

    ADP + Pi + energy rightarrow ATP

ATP:

The word ATP stands for  Adenosine Triphosphate, also known as the energy currency of the cell. The energy released during the process of respiration is used to build-up an ATP molecule from ADP and inorganic phosphate (Pi). This can be summarised as the equation given below:

      ADP+Pioverset{Energy}{rightarrow}ADPsim Pi=ATP

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Sample Questions
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Question : 1

Which of the following are correct ?

(a) Inside the mitochondria, when an inorganic phosphate group gets attached to a compound called ATP .

(b) The word ATP stands for  Adenosine Triphosphate, also known as the energy currency of the cell.

Right Option : B
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Question : 2

The energy released during the process of respiration is used to build-up an ATP molecule from __________________  and inorganic phosphate (Pi).

Right Option : A
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Question : 3

The energy produced is eventually used as a fuel to drive the endothermic reactions talking place during the cellular activities such as contraction of muscles, conduction of nerve impulses, ___________________ etc.

Right Option : A
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