Which statement best describes the purpose of atp?

a. it uses dna and rna to make proteins
b. it make glucose out of sunlight and water
c. it releases energy that is used by cells
d. it breaks down into carbohydrates and lipids

C. It releases energy that is used by cells.

Explanation:

Adenosine triphosphate is a complex chemical molecule it provides energy to conduct various processes occurring in the living cells like nerve impulse generation, muscle contraction, and chemical synthesis. It is called as the molecular unit of currency.

It forms in the process of cellular respiration in which the glucose is oxidized and break down so as to produce energy in the form of ATP. The ATP is a biomolecule which is formed by the purine base (adenine) and sugar molecule (ribose) along with three phosphate groups.

The ATP hydrolysis is an exothermic reaction which releases energy that can be used by the cell for cellular metabolism.  

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it is called the mitotic spindle