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How many turns of the citric acid cycle are required for a single glucose to be metabolized?
Two turns of the citric acid cycle are required for a single glucose molecule to be fully metabolized. This is because one glucose molecule is broken down into two molecules of pyruvate during glycolysis, and each pyruvate molecule enters the citric acid cycle to produce energy.
How did the citric acid cycle get its name what is the origin of citric acid cycle?
The conguate base of citric acid - citrate - is an important intermediate in the cycle. This is where the name "Citric Acid Cycle" comes from. It is also known as the Tricarboxylic Acid Cycle - as it involves 3 carbon acids, or the Krebs Cycle after Hans Adolf Krebs - who developed the complexities of the cycle.
How many NADH molecules are produced during complete breakdown of one molecule of glucose?
During glycolysis, 2 NADH molecules are produced. During the citric acid cycle, 6 NADH molecules are produced. Therefore, a total of 8 NADH molecules are produced during the complete breakdown of one molecule of glucose.
Is citric acid derived from citrus fruits?
Yes, citric acid is derived from citrus fruits such as lemons, limes, oranges, and grapefruits.
What organelle does the citric acid cycle occur?
The citric acid cycle, also known as the Krebs cycle, occurs in the mitochondria of eukaryotic cells.
What two molecules combine to produce citric acid in the citric acid cycle?
Acetyl-CoA and oxaloacetate combine to produce citric acid (or citrate) in the citric acid cycle. This is the first step in the cycle, also known as the condensation step.
What are the two molecules that enter the citric acid cycle?
The two molecules that enter the citric acid cycle are acetyl-CoA and oxaloacetate. Acetyl-CoA is the key input that combines with oxaloacetate to initiate the cycle.
What is the coenzyme that transports organic molecules into the citric acid cycle?
The coenzyme that transports organic molecules into the citric acid cycle is coenzyme A (CoA). It acts by forming a thioester bond with acetyl groups derived from organic molecules, allowing them to enter the cycle for energy production.
Why is the kerbs cycle also known as the citric acid cylce?
The Krebs cycle is also known as the citric acid cycle because citric acid is the first compound formed in the cycle. The cycle then proceeds to harvest energy through a series of chemical reactions involving citric acid and other molecules, ultimately producing ATP for cellular energy.
How many CO2 are produced during the transition reaction and the citric acid cycle per glucose molecule?
Two Co2 molecules are produced per citric acid cycle. Since the citric acid cycle occurs twice with every molecule of glucose metabolized, a total of 4 C02 molecules are produces for every glucose molecule
What molecules initiate the citric acid cycle by reacting with oxaloacetate?
Oxaloacetate [oxaloacetic acid], under the strict guidance of the enzyme 'citrate synthase', is reacted with the co-enzyme 'Acetyl-CoA' to form the products CoA and citric acid.
What nutrient can yield energy the quickest in the citric acid cycle?
Acetyl-CoA can yield energy the quickest in the citric acid cycle. Acetyl-CoA is derived from the breakdown of carbohydrates, fats, and proteins, and it enters the citric acid cycle to produce ATP, which is the cell's primary energy source.
What must portions of amino acid molecules undergo before they can enter the citric acid cycle?
deamination
During a single turn of the citric acid cycle what is generated?
During a single turn of the citric acid cycle, one molecule of ATP, three molecules of NADH, one molecule of FADH2, and two molecules of CO2 are generated.
What is the citric acid cycle also known as?
Krebs cycle (aka citric acid cycle, aka tricarboxylic acid cycle)
How many turns of the citric acid cycle are required for a single glucose to be metabolized?
Two turns of the citric acid cycle are required for a single glucose molecule to be fully metabolized. This is because one glucose molecule is broken down into two molecules of pyruvate during glycolysis, and each pyruvate molecule enters the citric acid cycle to produce energy.
How many molecules of FADH2 are produced by the complete oxidation of one acetyl group by the citric acid cycle?
One acetyl group produces 1 molecule of FADH2 in the citric acid cycle.
