Ethanol is a sort of halfway stage between glucose and carbon dioxide and water
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Answer:
Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, spirits, or simply alcohol) is an organic chemical compound. It is a simple alcohol with the chemical formula C
2H
6O. Its formula can be also written as CH
3−CH
2−OH or C
2H
5OH (an ethyl group linked to a hydroxyl group), and is often abbreviated as EtOH. Ethanol is a volatile, flammable, colorless liquid with a slight characteristic odor. It is a psychoactive substance, recreational drug, and the active ingredient in alcoholic drinks.
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11th
Biology
Respiration in Plants
Fermentation
State whether the following...
BIOLOGY
State whether the following statements are true or false.
When not enough oxygen gets to muscle cells during a sprint, energy is provided by glycolysis of glucose to pyruvic acid and then conversion of these molecules to lactic acid.
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Glycolysis is the first part of both aerobic and anaerobic respiration.
The end product of glycolysis is pyruvic acid which is produced in the cytoplasm and no oxygen is required for the process of glycolysis.
The pyruvic acid formed can enter either kerb cycle for the reactions of aerobic respiration or it can undergo anaerobic reaction in the cells where there is absence of oxygen.
There are 2 process under anaerobic reaction in which pyruvic acid can take part. First is where pyruvic acid is converted to lactic acid and second is where it converted to Ethanol and carbon dioxide. These reaction are called fermentation reaction.
Fermentation reaction of pyruvic acid takes place when there is no presence of oxygen. Sometimes during some of the physical activities when not enough oxygen is not reaching the muscles the energy for the contraction and relaxation of the muscles is provided by the process of glycolysis (2ATP) and then the pyruvic acid undergoes fermentation reaction forming Lactic acid and releasing 1 molecule of NADH per Pyruvic acid molecule.
Therefore the above sentence is correct and the answer option 'True' is correct.