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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.
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.
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.
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.
How many ATP molecules can be obtained from a fatty acid that has 20 carbons?
Approximately 106 ATP molecules can be obtained from completely oxidizing a fatty acid with 20 carbons through beta-oxidation and the citric acid cycle. Each round of beta-oxidation generates 4 ATP molecules, and each round of the citric acid cycle generates 12 ATP molecules.
What must portions of amino acid molecules undergo before they can enter the citric acid cycle?
deamination
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 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.
Do protein make energy molecules?
They can. In cellular respiration proteins may be broken down and modified to enter as part of the citric acid (Krebs) cycle.
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.
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 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.
When oxygen is present what porduct enters the second stage of cellular respiration?
When oxygen is present, pyruvate molecules produced in glycolysis enter the second stage of cellular respiration, which is the citric acid cycle (Krebs cycle). In this cycle, pyruvate is converted to acetyl CoA, which then enters the citric acid cycle to generate ATP through a series of redox reactions.
How many ATP molecules can be obtained from a fatty acid that has 20 carbons?
Approximately 106 ATP molecules can be obtained from completely oxidizing a fatty acid with 20 carbons through beta-oxidation and the citric acid cycle. Each round of beta-oxidation generates 4 ATP molecules, and each round of the citric acid cycle generates 12 ATP molecules.
