Flashcards on Krebs Cycle

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What is the Krebs cycle?

The Krebs cycle is a metabolic pathway that occurs in the mitochondria of cells and generates energy by breaking down carbohydrates, fats, and proteins.

Who discovered the Krebs cycle?

Sir Hans Adolf Krebs discovered the Krebs cycle in 1937.

What is the alternative name for the Krebs cycle?

The Krebs cycle is also known as the citric acid cycle or the tricarboxylic acid (TCA) cycle.

Which compound is produced as a result of the Krebs cycle?

The Krebs cycle produces ATP (adenosine triphosphate), which is the energy currency of cells.

Where does the Krebs cycle take place in the cell?

The Krebs cycle takes place in the mitochondria of cells.

What is the first step of the Krebs cycle?

The first step of the Krebs cycle is the condensation of acetyl-CoA with oxaloacetate to form citrate.

What is the final product of the Krebs cycle?

The final product of the Krebs cycle is oxaloacetate, which can be used to start the cycle again.

Which enzymes are involved in the Krebs cycle?

Several enzymes are involved in the Krebs cycle, including citrate synthase, aconitase, isocitrate dehydrogenase, and succinate dehydrogenase.

What is the role of NAD+ and FAD in the Krebs cycle?

NAD+ and FAD are coenzymes that act as electron carriers in the Krebs cycle, helping to produce ATP.

What happens to the carbon dioxide produced during the Krebs cycle?

The carbon dioxide produced during the Krebs cycle is released into the atmosphere as a waste product.

Which other metabolic pathway is closely linked to the Krebs cycle?

The electron transport chain is closely linked to the Krebs cycle, as it uses the energy produced by the cycle to generate ATP.

What is the significance of the Krebs cycle in energy metabolism?

The Krebs cycle plays a vital role in the energy metabolism of cells, as it produces ATP which provides energy for various cellular processes.

What happens in the absence of oxygen during the Krebs cycle?

In the absence of oxygen, the Krebs cycle cannot function properly and the accumulation of citric acid can lead to cell damage.

What is the net yield of ATP produced during the Krebs cycle?

The net yield of ATP produced during the Krebs cycle is 2 ATP molecules.

What is the role of the Krebs cycle in the metabolism of carbohydrates, fats, and proteins?

The Krebs cycle is a central pathway in the metabolism of carbohydrates, fats, and proteins, as it is responsible for breaking them down into energy.

What is the Krebs cycle?

The Krebs cycle is a metabolic pathway that occurs in the mitochondria of cells and generates energy by breaking down carbohydrates, fats, and proteins.

Who discovered the Krebs cycle?

Sir Hans Adolf Krebs discovered the Krebs cycle in 1937.

What is the alternative name for the Krebs cycle?

The Krebs cycle is also known as the citric acid cycle or the tricarboxylic acid (TCA) cycle.

Which compound is produced as a result of the Krebs cycle?

The Krebs cycle produces ATP (adenosine triphosphate), which is the energy currency of cells.

Where does the Krebs cycle take place in the cell?

The Krebs cycle takes place in the mitochondria of cells.

What is the first step of the Krebs cycle?

The first step of the Krebs cycle is the condensation of acetyl-CoA with oxaloacetate to form citrate.

What is the final product of the Krebs cycle?

The final product of the Krebs cycle is oxaloacetate, which can be used to start the cycle again.

Which enzymes are involved in the Krebs cycle?

Several enzymes are involved in the Krebs cycle, including citrate synthase, aconitase, isocitrate dehydrogenase, and succinate dehydrogenase.

What is the role of NAD+ and FAD in the Krebs cycle?

NAD+ and FAD are coenzymes that act as electron carriers in the Krebs cycle, helping to produce ATP.

What happens to the carbon dioxide produced during the Krebs cycle?

The carbon dioxide produced during the Krebs cycle is released into the atmosphere as a waste product.

Which other metabolic pathway is closely linked to the Krebs cycle?

The electron transport chain is closely linked to the Krebs cycle, as it uses the energy produced by the cycle to generate ATP.

What is the significance of the Krebs cycle in energy metabolism?

The Krebs cycle plays a vital role in the energy metabolism of cells, as it produces ATP which provides energy for various cellular processes.

What happens in the absence of oxygen during the Krebs cycle?

In the absence of oxygen, the Krebs cycle cannot function properly and the accumulation of citric acid can lead to cell damage.

What is the net yield of ATP produced during the Krebs cycle?

The net yield of ATP produced during the Krebs cycle is 2 ATP molecules.

What is the role of the Krebs cycle in the metabolism of carbohydrates, fats, and proteins?

The Krebs cycle is a central pathway in the metabolism of carbohydrates, fats, and proteins, as it is responsible for breaking them down into energy.

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