(d) With the help of word equation only show the various steps of respiration in yeast.
Answers
The equation for an aerobic respiration in a yeast cell is:
Glucose→Pyruvic acid→ethanol+carbon dioxide+energy
Here, glucose(C6H12O6) is a 6-C molecule which gets transformed into a 3-C molecule called pyruvic acid. This equation is comman in many cells of all organisms. In a yeast cell, this pyruvic acid breaks down into ethanol(C2H6O), carbon dioxide(CO2) and energy. This is how anaerobic respiration place in a yeast cell and provides energy o the organism.
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Answer:
glucose ---->pyruvate +2 ATP -----> ethyl alcohol +carbon dioxide+ 2 atp
explanation:
when food is oxidised without using molecular oxygen the respiration is called anaerobic respiration
in this type of respiration incomplete oxidation of food takes place and in comparison to aerobic respiration much less amount of energy is produced
it also includes glycolysis which takes place in the cytoplasm
yeast anaerobic organism and it follows fermentation process.
it is a kind of anaerobic respiration in which the microorganism yeast breaks down glucose into ethyl alcohol and carbon dioxide and energy is released
glucose is a 6 carbon molecule
that is broken down into a three carbon molecule known as pyruvate or pyruvic acid when it enters the cytoplasm this process is also known as glycolysis of breaking down of glucose
then the pyruvate of pyruvic acid is converted to ethanol which is the two carbon compound and carbon dioxide by the process of fermentation
fermentation is carried out by enzyme known as zymase
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