AP BIOLOGY

CELL RESPIRATION

ATP ADENOSINE TRIPHOSPHATE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What does ATP become after it is used for energy?
A
It does not change
B
Garbage
C
Adenosine diphosphate
D
Adenine monohydrate
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: -The canonical pathway of ATP metabolism (filled arrows) occurs through the sequential hydrolysis of ATP by CD39 to ADP and AMP, which in turn is hydrolysed to adenosine by CD73.

Detailed explanation-4: -The pyrophosphate bond, which connects the second and third phosphate groups in the ATP molecule, is one such covalent bond that stores energy. In the inner membranes of mitochondria, ADP is converted to ATP through a process called chemiosmosis phosphorylation.

There is 1 question to complete.