Respiration in Plants
- Glycolysis is the first step of cellular respiration which is common to aerobic and anaerobic respiration
- Later on, anaerobic respiration follows fermentation and aerobic mode focusses on Kreb’s cycle / TCA cycle.
- Glycolysis is also called the EMP pathway as it was discovered by three scientists namely Embden, Meyerhof and Parnas.
- Glycolysis happens in the cytoplasm of all living cells, where one molecule of glucose is reduced to two molecules of pyruvic acid.
- Glycolysis in the major pathway for ATP synthesis in mitochondria lacking tissues Eg. Cornea, lens, RBC
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- The net reaction of glycolysis is as follows
Glucose + 2ADP + 2NAD+ + 2H3PO4 → 2 Pyruvate + 2 NADH + 2H+ + 2ATP
- Each NADH is equivalent to 3 ATP molecules and therefore 10 ATP molecules are produced out of which 2 are consumed in the preparatory phase and thus the net gain is 8 ATP.
Watch this video for the topic Glycolysis part- 1 from 48:07 to 53:57
Watch this video for the topic Glycolysis part- 2 from 14:00 to 57:19
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