The First Means by Which ATP Is Produced at the Onset

question 255

Multiple Choice

The first means by which ATP is produced at the onset of contractile activity is

• A)transfer of energy and phosphate from creatine phosphate to ADP
• B)oxidative phosphorylation
• C)glycolysis
• D)degradation of myoglobin
• E)none of these

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Definitions:

Creatine Phosphate

A phosphagen used by muscles to store energy for short bursts of activity, acting as a reserve to rapidly regenerate ATP, the primary energy carrier in cells.

Aerobic Respiration

The process by which organisms use oxygen to turn food into energy, a crucial part of cellular metabolism.

ATP

Adenosine triphosphate, a molecule that carries energy within cells, being essential for a multitude of cellular functions.

Glucose

A fundamental sugar, vital for energy provision in living creatures and incorporated in a wide range of carbohydrate structures.