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2021-06-17

What happens to a six-carbon molecule of glucose during glycolysis?

What happens to a six-carbon molecule of glucose during glycolysis?

Glycolysis – A six-carbon glucose molecule is converted to two, 3-carbon molecules of pyruvate. This process occurs in the cytoplasm. Four molecules of ATP and 2 molecules of NADH are produced; Formation of acetyl coenzyme A – Each pyruvate molecules is oxidized to carbon dioxide and a 2-carbon acetyl group.

What goes into glycolysis is a 6 carbon molecule known as?

Glycolysis: Glucose ( 6 carbon atoms) is split into 2 molecules of pyruvic acid (3 carbons each). This produces 2 ATP and 2 NADH. Glycolysis takes place in the cytoplasm.

What pathway converts a glucose a 6 carbon sugar into 2 pyruvate 3 carbon molecules?

glycolysis

What happens during glycolysis for one molecule of glucose?

During glycolysis, one glucose molecule is split into two pyruvate molecules, using 2 ATP while producing 4 ATP and 2 NADH molecules.

What is the end product of glycolysis of a glucose molecule?

Glycolysis starts with one molecule of glucose and ends with two pyruvate (pyruvic acid) molecules, a total of four ATP molecules, and two molecules of NADH.

What happens during glycolysis for one molecule of glucose quizlet?

1- molecule of glucose, a 6-carbon compound, is transformed into2 molecules of pyruvic acid, a 3-carbon compound. 2-During glycolysis, glucose is broken down into 2 molecules of the 3-carbon molecule pyruvic acid. -Pyruvic acid is a reactant in the Krebs cycle. 3-ATP and NADH are produced as part of the process.

What is produced during glycolysis quizlet?

What is glycolysis? Glycolysis is a process by which the cell produces ATP, pyruvate, and NADH from sugars.

What happens during glycolysis quizlet?

What happens during the process of glycolysis? During glycolysis, 1 molecule of glucose, which has 6 carbon atoms, is changed into 2 molecules of pyruvic acid, which each have 3 carbon atoms. During the Krebs cycle, pyruvic acid is broken down into carbon dioxide in a series of steps that releases chemical energy.

What are the similarities and differences between cellular respiration and photosynthesis?

Photosynthesis captures energy while cellular respiration releases energy. Photosynthesis produces food whereas cellular respiration breaks down food. Photosynthesis occurs in the chloroplast of plants and cellular respiration occurs in the mitochondria of animal cells.

What are the 4 substances being recycled during photosynthesis and cellular respiration?

The four substances recycled during photosynthesis and respiration are: carbon dioxide (CO2), which is emitted as waste in cellular respiration and used by plants to make glucose, oxygen (O2), which is emitted as waste by plants and taken in by animals to allow cellular respiration to proceed, glucose (C6H12O6), which …

What happens to a six-carbon molecule of glucose during glycolysis?

Glycolysis – A six-carbon glucose molecule is converted to two, 3-carbon molecules of pyruvate. This process occurs in the cytoplasm. Four molecules of ATP and 2 molecules of NADH are produced; Formation of acetyl coenzyme A – Each pyruvate molecules is oxidized to carbon dioxide and a 2-carbon acetyl group.

What is the 6 carbon reactant in glycolysis?

Glucose is a six-carbon molecule, and pyruvate is a three carbon molecule. From the name, we know that glycolysis involves the lysis, or splitting of glucose. As such, the products of glycolysis include two molecules of pyruvate.

Where do the 6 carbons go as glucose is being broken down?

Glucose ( 6 carbon atoms) is split into 2 molecules of pyruvic acid (3 carbons each). This produces 2 ATP and 2 NADH. Glycolysis takes place in the cytoplasm. This breaks down the pyruvic acid to carbon dioxide.

Why do we break down glucose?

Most carbohydrates (sugars and starches) are converted into glucose before they are broken down in the cytosol to release energy. If oxygen is present, then glucose can be broken all the way down into carbon dioxide and water. This process is called aerobic respiration because it requires air (oxygen).

What is the process of breakdown of glucose called?

Glycolysis is a series of reactions that extract energy from glucose by splitting it into two three-carbon molecules called pyruvates.

What are the pathways of breakdown of glucose?

Cellular respiration is a collection of three unique metabolic pathways: glycolysis, the citric acid cycle, and the electron transport chain. Glycolysis is an anaerobic process, while the other two pathways are aerobic.

Where does the breakdown of glucose takes place?

mitochondria

What results if glucose is metabolized under completely?

If glucose is metabolized under completely anaerobic conditions, then pyruvate: is converted by fermentation to CO2 and ethanol or to lactate.

Which is the correct order of glucose catabolism?

Glucose catabolism occurs in a series of small, sequential, highly controlled and regulated steps (reactions). The processes involved are glycolysis, which is the first step of glucose breakdown, and it is followed by either fermentation or cellular respiration (depending on the availability of oxygen).

What are the four phases of glucose breakdown?

Cellular respiration is a metabolic pathway that breaks down glucose and produces ATP. The stages of cellular respiration include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation.

What is the correct sequence of events in aerobic respiration?

Aerobic respiration involves four stages: glycolysis, a transition reaction that forms acetyl coenzyme A, the citric acid (Krebs) cycle, and an electron transport chain and chemiosmosis.

What are the 3 irreversible steps of glycolysis?

3 irreversible steps in glycolysis: hexokinase; phosphofructokinase; pyruvate kinase.

Why is the first step of glycolysis irreversible?

The reason for this intricate process is both because the direct conversion of PEP to pyruvate is irreversible and because the cell must avoid a futile cycle in which pyruvate from glycolysis is immediately converted back to PEP.