NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When ATP is broken down into ADP + Pi
A
Hydrolysis
B
Phosphorylation
C
Hydrosynthesis
D
None of the above
Explanation: 

Detailed explanation-1: -Through metabolic processes, ATP becomes hydrolyzed into ADP, or further to AMP, and free inorganic phosphate groups. The process of ATP hydrolysis to ADP is energetically favorable, yielding Gibbs-free energy of-7.3 cal/mol. [1] ATP must continuously undergo replenishment to fuel the ever-working cell.

Detailed explanation-2: -If a cell needs to spend energy to accomplish a task, the ATP molecule splits off one of its three phosphates, becoming ADP (Adenosine di-phosphate) + phosphate. The energy holding that phosphate molecule is now released and available to do work for the cell.

Detailed explanation-3: -ATP can be hydrolyzed to ADP and Pi by the addition of water, releasing energy. ADP can be “recharged” to form ATP by the addition of energy, combining with Pi in a process that releases a molecule of water.

Detailed explanation-4: -Explanation: When ATP is hydrolyzed and a phosphoanhydride bond is broken, ADP and a phosphate are the products. ADP then has 2 phosphate groups.

Detailed explanation-5: -ATP hydrolysis is an exergonic process. It produces ADP (Adenosine diphosphate), Pi (inorganic phosphate) and energy.

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