Question

ПОМОГИТЕ ПОЖАЛУЙСТА В процессе энергетического обмена в клетке образовалось 78 молекул атф. Определить количество молекул глюкозы, подвергшиеся гликолизу и полному кислородному окислению. Результаты объяснить. ​

Answer 1

Ответ:

В процессе энергетичностного обмена в клетке 116 молекул АТФ А затречено 18 молекул кислороды

Answer 2

Energy Exchange in a Cell and ATP Production

During cellular respiration, energy is exchanged and transformed within a cell. One of the key molecules involved in this process is adenosine triphosphate (ATP), which serves as the primary energy currency of cells. ATP is produced through various metabolic pathways, including glycolysis and oxidative phosphorylation.

Determining the Number of Glucose Molecules Involved

To determine the number of glucose molecules that underwent glycolysis and complete oxidative phosphorylation, we need to understand the ATP yield from each pathway.

1. Glycolysis: Glycolysis is the initial step in glucose metabolism and occurs in the cytoplasm of the cell. It involves the breakdown of glucose into two molecules of pyruvate. During glycolysis, a net gain of 2 ATP molecules is produced per glucose molecule.

2. Oxidative Phosphorylation: Oxidative phosphorylation takes place in the mitochondria and involves the transfer of electrons from electron carriers (such as NADH and FADH2) to the electron transport chain. This process generates a proton gradient, which drives the synthesis of ATP. The exact ATP yield from oxidative phosphorylation depends on various factors, including the efficiency of the electron transport chain and the availability of oxygen. On average, the production of one molecule of NADH during glycolysis and the Krebs cycle can generate approximately 2.5 ATP molecules, while one molecule of FADH2 can produce approximately 1.5 ATP molecules.

Based on the information provided, we know that 78 molecules of ATP were formed during the energy exchange process in the cell. To determine the number of glucose molecules involved, we need to consider the ATP yield from both glycolysis and oxidative phosphorylation.

Let's assume that x represents the number of glucose molecules involved in glycolysis and complete oxidative phosphorylation.

The ATP yield from glycolysis can be calculated as 2 ATP per glucose molecule. Therefore, the ATP produced from glycolysis would be 2x.

The ATP yield from oxidative phosphorylation depends on the number of NADH and FADH2 molecules produced during glycolysis and the Krebs cycle. Since the exact number of NADH and FADH2 molecules is not provided, we cannot determine the exact ATP yield from oxidative phosphorylation.

However, we can make an estimation based on the average ATP yield mentioned earlier. Let's assume that the ATP yield from oxidative phosphorylation is 2.5 ATP per NADH molecule and 1.5 ATP per FADH2 molecule. Therefore, the ATP produced from oxidative phosphorylation would be (2.5 * NADH) + (1.5 * FADH2).

To summarize: - ATP produced from glycolysis: 2x - ATP produced from oxidative phosphorylation: (2.5 * NADH) + (1.5 * FADH2)

Since we know that a total of 78 ATP molecules were formed, we can set up the equation:

2x + (2.5 * NADH) + (1.5 * FADH2) = 78

Without the specific values for NADH and FADH2, it is not possible to determine the exact number of glucose molecules involved in glycolysis and complete oxidative phosphorylation. However, this equation can be used to calculate the values once the specific numbers are known.

Conclusion

In conclusion, the number of glucose molecules that underwent glycolysis and complete oxidative phosphorylation cannot be determined without knowing the specific values for NADH and FADH2. The equation 2x + (2.5 * NADH) + (1.5 * FADH2) = 78 can be used to calculate the values once the specific numbers are known.