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What molecule stores the high energy electrons removed from glucose in glycolysis?
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What molecule stores the high energy removed from glucose in glycolysis?
Seriously? Read your textbook!!
When glucose is polymerized what molecule is removed?
water, it is a DEhydration reaction
When two molecules of glucose are joined by one molecule of water is removed and a is formed?
b
When two molecules of glucose are joinded by what one molecule of water is removed and a what is formed?
Dehydration Synthesis, Disaccharide For Plato the answer is (B)
What two cellular respiration reactions follow glycolysis?
. Glucose is converted to two molecules of the three-carbon compound glyceraldehyde-3-phosphate (G3P), with the expenditure of ATP. 2. ATP is generated from the conversion of G3P to pyruvate. The 10 reactions of glycolysis proceed in four stages. Stage A: Three reactions change glucose into a compound that can readily be cleaved into three-carbon phosphorylatied units. Two of these reactions require the cleavage of an ATP molecule, so that this stage, glucose priming, requires the investment by the cell of two ATP molecules. Stage B: The second stage is cleavage and rearrangement, in which the six-carbon product of the first stage is split into two three-carbon molecules. One is G3P, and the other is converted to G3P by another reaction. Stage C: The third stage is oxidation, in which a pair of electrons is removed from G3P and donated to NAD+. NAD+ is a coenzyme that acts as an electron carrier in the cell, in this case accepting the two electrons from G3P to form NADH. Note that NAD+ is an ion, and that both electrons in the new covalent bond come from G3P. Stage D: The final stage, ATP generation, is composed of a series of four reactions that convert G3P into another three-carbon molecule, pyruvate, and in the process generate two ATP molecules. The glycolytic reaction sequence generates a small amount of ATP by reshuffling the bonds of glucose molecules. Glycolysis is a very inefficient process, capturing only about 2 % of the available chemical energy of glucose. Most of the remaining energy is unrecovered in the molecules that glycolysis procures, particularly pyruvate.
What molecule stores the high energy removed from glucose in glycolysis?
Seriously? Read your textbook!!
What molecule can be formed with atoms removed from the two glucose molecules?
Water (H2O) molecules, one on either side of the molecule.
When glucose is polymerized what molecule is removed?
water, it is a DEhydration reaction
What does glycolysis produces?
Glycolysis (glycos, sugar + lysis, splitting) A glucose molecule is broken down into two molecules of pyruvic acid. The pyruvic acid molecules are then absorbed by the mitochondria. In the mitochondrial matrix, a CO2 molecule is removed from each of the acid molecules. What is left of the pyruvic acid then enters the Krebs cycle.
How does glycolysis get going?
Glucose is the beginning molecule that begins the cascade of events that produces energy for the cell.
What will happen to the H and OH that are removed as glucose is added?
Eventually a molecule of water is formed.
When two molecules of glucose are joined by one molecule of water is removed and a is formed?
b
What is the function of NAD in glycolysis?
NAD+ picks up the electrons that are removed during glycolysis --> makes a molecule of NADH. This NADH goes to the electron transport chain where it gives up the electron to the electron transport chain.
When two molecules of glucose are joinded by what one molecule of water is removed and a what is formed?
Dehydration Synthesis, Disaccharide For Plato the answer is (B)
What molecule is produced in the citric acid cycle as a by product of glucose oxidation and is subsequently released into the bloodstream and carried to the lungs where it is removed from the body?
water
What two cellular respiration reactions follow glycolysis?
. Glucose is converted to two molecules of the three-carbon compound glyceraldehyde-3-phosphate (G3P), with the expenditure of ATP. 2. ATP is generated from the conversion of G3P to pyruvate. The 10 reactions of glycolysis proceed in four stages. Stage A: Three reactions change glucose into a compound that can readily be cleaved into three-carbon phosphorylatied units. Two of these reactions require the cleavage of an ATP molecule, so that this stage, glucose priming, requires the investment by the cell of two ATP molecules. Stage B: The second stage is cleavage and rearrangement, in which the six-carbon product of the first stage is split into two three-carbon molecules. One is G3P, and the other is converted to G3P by another reaction. Stage C: The third stage is oxidation, in which a pair of electrons is removed from G3P and donated to NAD+. NAD+ is a coenzyme that acts as an electron carrier in the cell, in this case accepting the two electrons from G3P to form NADH. Note that NAD+ is an ion, and that both electrons in the new covalent bond come from G3P. Stage D: The final stage, ATP generation, is composed of a series of four reactions that convert G3P into another three-carbon molecule, pyruvate, and in the process generate two ATP molecules. The glycolytic reaction sequence generates a small amount of ATP by reshuffling the bonds of glucose molecules. Glycolysis is a very inefficient process, capturing only about 2 % of the available chemical energy of glucose. Most of the remaining energy is unrecovered in the molecules that glycolysis procures, particularly pyruvate.
What is the process that release energy when oxygen is insufficient?
ANAEROBIC RESPIRATION is how the cells produce ATP when no oxygen is present: Anaerobic (fermentation) vs. Aerobic Respiration i. Without oxygen to accept electrons in the electron transport chain, most of cellular respiration stops. ii. Fermentation enables some cells to produce ATP in the absence of oxygen. iii. In glycolysis, glucose is oxidized to two pyruvate molecules with NAD+ being reduced to NADH. iv. Pyruvate then accepts electrons from NADH, oxidizing it back to NAD+. The NAD+ is then available to oxidize more glucose. v. Because the pyruvate does not enter the Krebs cycle, there is still a lot of energy which is not removed from the fuel. This is evident in yeast fermentation where the end product is alcohol - a high energy fuel. vi. Human muscle cells switch from aerobic respiration to lactic acid fermentation to generate ATP when O2 is scarce. When O2 is absent, the ETC stops; therefore pyruvate accepts electrons, forming lactic acid. This waste product causes muscle fatigue and cramping, but it is eventually converted back to pyruvate in the liver. vii. Under aerobic respiration, a molecule of glucose yields 36-38 ATP, but the same molecule of glucose yields only 2 ATP under anaerobic respiration. Hope this helps. it is a section out of my biology notes. If it doesnt, google Anaerobic respiration and wiki will give you a good answer
