Question

What are the differentways in which glucoseis oxified to provide energy in various organism?

Answer 1

HEY MATE HERE IS YOUR ANSWER :-

1). Anaerobic respiration :Here the first step is the break-down of glucose into a three-carbon molecule called pyruvate. This process takes place in the cytoplasm. Further, the pyruvate may be converted into ethanol and carbon dioxide. This process takes place in yeast.

2).Aerobic respiration:During aerobic respiration, first glucose is broken down into pyruvate and then  the three-carbon pyruvate molecule is broken down to give three molecules of carbon dioxide and water

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Answer 2

Glucose is oxidized or oxified in two main steps i.e. 1.aerobic respiration(oxygen is involved) 2.anaerobic respiration(oxygen is not involved).In aerobic respiration, 1. glycolysis process takes place in glycolysis,glucose is oxidized step by step and two molecules of each pyruvic acid,ATP,NADH2and formed.These two molecules of pyruvic acid are converted into molecules of acetly-coenzym- A.Then 2 molecules of NADH2 and 2 molecules of CO2 are released.Now 2nd process .i.e.Kreb's cycle ocurrs.In this, acetly-CoA is oxidized completely.This occurs in mitochondria.And Co2 ,H2O, NADH2, FADH2, ATP are derived.Then in 3rd process i.e.Eletron transfer chain reaction 3 molecules of ATP are obtained from each molecules of NADH2 and 2 molecules of ATP ate obtained from each molecules of FADH2.(NADH2-nicotinamide adenine dinucleotide) (FADH2-flavin adenine dinucleotide).Now in anaerobic respiration,same process occurs but only pyruvi acid is fermented instead of being converted into acetly- coenzy- A