The diagram shows the molecular structure of adenosine triphosphate (atp) the diagram shows a three-part structure. from left to right, adenine is shown as two polygons, then ribose is shown as a pentagon, and then 3 phosphate groups are shown by three letter ps in circles. which of these events occurs during the normal function of atp in the cell? a. a chemical bond forms between the adenine unit and the third phosphate group. b. the chemical bond breaks between the adenine and ribose units. c. the chemical bond breaks between the ribose unit and the first phosphate group. d. the chemical bond breaks between the second and third phosphate groups.

Adenosine triphosphate (ATP) is an important molecule, which stores and transfers the energy required by the cells. ATP is very important because all cellular metabolic activities require energy which is transferred by ATP.

One molecule of ATP has adenine as the nitrogenous base, ribose sugar and three phosphate molecules bonded together.

The correct option is:

Option D. The chemical bond breaks between the second and third phosphate groups.

Therefore, when the bond breaks between the second and third phosphate group the energy are released.

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The correct option is D. The chemical bond breaks between the second and third phosphate groups.

Explanation:

Adenosine phosphate (ATP) can be described as main energy-carrying molecules which are required by each cell to carry out its normal functions.

A molecule of ATP comprises of the nitrogenous base Adenine, pentose sugar ribose and three molecules of phosphate.

The bond between the second and third molecule carries high amounts of energy. When this bond is broken, huge amounts of energy is released which is used by the cells to carry out essential processes.