PHYSIOLOGY
MUSCLE ENERGETICS GLYCOLYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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one ATP molecule must be added to glucose
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two phosphate groups must be attached to glucose
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three ATP molecules must be added to glucose
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one ATP molecule must be taken away from glucose
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Detailed explanation-1: -Answer and Explanation: Before a glucose molecule can be broken down to release energy, (E) two phosphate groups must be attached to glucose. During glycolysis, two ATPs are first used to make fructose-1, 6-bisphosphate.
Detailed explanation-2: -Cellular respiration is the aerobic process by which living cells break down glucose molecules, release energy, and form molecules of ATP . Generally speaking, this three-stage process involves glucose and oxygen reacting to form carbon dioxide and water.
Detailed explanation-3: -The first step in glycolysis is a priming reaction, where a phosphate group is added to glucose using ATP. This reaction is important for its ability to trap glucose within the cell.
Detailed explanation-4: -Glycolysis is a series of reactions that extract energy from glucose by splitting it into two three-carbon molecules called pyruvates.
Detailed explanation-5: -During glycolysis, glucose ultimately breaks down into pyruvate and energy; a total of 2 ATP is derived in the process (Glucose + 2 NAD+ + 2 ADP + 2 Pi–> 2 Pyruvate + 2 NADH + 2 H+ + 2 ATP + 2 H2O). The hydroxyl groups allow for phosphorylation. The specific form of glucose used in glycolysis is glucose 6-phosphate.