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ATP is essentially an RNA nucleotide with two additional phosphate groups. Adenosine consists of the nitrogenous base adenine and a five-carbon sugar, ribose. Adenosine is bound to three phosphate groups.
Overview of oxidative phosphorylation. The electron transport chain forms a proton gradient across the inner mitochondrial membrane, which drives the synthesis of ATP via chemiosmosis.
The answer lies with an energy-supplying molecule called adenosine triphosphate, or ATP. ATP is a small, relatively simple molecule (Figure 6.4.1 6.4. 1), but within some of its bonds, it contains the potential for a quick burst of energy that can be harnessed to perform cellular work.
ATP is a short-lived, unstable molecule that stores large amounts of chemical energy in the bonds between the three phosphate groups. Because of this, cells utilize ATP to help “power” other chemical reactions.
ATP is made up of a nucleotide, a five-carbon sugar, and three phosphate groups. The bonds that connect the phosphates (phosphoanhydride bonds) have high-energy content. The energy released from the hydrolysis of ATP into ADP + P i is used to perform cellular work.
Why is ATP considered the energy currency of the cell? How is energy released through the hydrolysis of ATP? Connection for AP ® Courses. Adenosine triphosphate or ATP is the energy “currency” or carrier of the cell. When cells require an input of energy, they use ATP.
Adenosine triphosphate (ATP), energy-carrying molecule found in the cells of all living things. ATP captures chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes. Learn more about the structure and function of ATP in this article.
