PHYSIOLOGY
MUSCLE ENERGETICS GLYCOLYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Energy payoff phase
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Energy power phase
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Energy saving phase
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Energy investment phase
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Detailed explanation-1: -The first stage of glycolysis involves an energy investment of two ATP. When studying metabolic pathways, pay attention to the name of the enzyme and what the enzyme did. Step 1: Glucose is phosphorylated by the enzyme hexokinase to form glucose 6-phosphate.
Detailed explanation-2: -This phase is known as the energy-requiring phase or the energy investment phase because energy in the form of ATP is needed in order to form the unstable fructose molecule from glucose.
Detailed explanation-3: -The glycolysis energy-investment phase involves the investment of two ATP molecules, which leads to the creation of two molecules of glyceraldehyde phosphate. Hexokinase uses one ATP to convert glucose to glucose-6-phosphate, which is then transformed to ADP.