Adp can be "recharged" by adding a) adenosine b) phosphate c) ribose d)all of the above

ADP can be recharged by adding an inorganic phosphate. The answer is B.

Explanation:

ATP is called the energy currency of the cell. Adenosine triphosphate contains adenine base, ribose sugar, and 3 phosphate molecules. The covalent bond between the phosphate is a high energy bond. When the last phosphate breaks from ATP it releases energy. The reaction can be given as follows:

ATP -> ADP + Pi + energy.

Whenever energy is required in the body, ATP undergoes hydrolysis to produce energy. ADP thus formed goes through the electron transport chain or substrate level phosphorylation to form the ATP back.

ADP + Pi + energy -> ATP.

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