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Karnataka Board PUCPUC Science Class 11

The figure given below shows the steps in glycolysis. Fill in the missing steps A, B, C, D and also indicate whether ATP is being used up or released at step E?

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Question

The figure given below shows the steps in glycolysis. Fill in the missing steps A, B, C, D and also indicate whether ATP is being used up or released at step E?

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Solution

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Chapter 14: Respiration in Plants - Exercises [Page 81]

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NCERT Exemplar Biology Exemplar [English] Class 11
Chapter 14 Respiration in Plants
Exercises | Q 8. | Page 81

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RELATED QUESTIONS

Distinguish between the following: 

Glycolysis and Fermentation


Describe the connecting link between glycolysis and Krebs’ cycle.


Following reactions occur during glycolysis. Arrange them in the order of their occurrence in the glycolytic pathway.

  1. Dihydroxy acetone phosphate → Glyceraldehyde-3-phosphate
  2. Fructose-6-phosphate → Fructose-1, 6-bisphosphate
  3. Phosphoenolpyruvate → Pyruvic acid
  4. 2-Phosphoglycerat → Phosphoenolpyruvate
  5. Glucose-6-phosphate → Fructose-6- phosphate 
  6. 1,3-bisphosphoglyceric acid → 3- phosphoglyceric acid

In glycolysis, phosphorylation reaction leads to conversion of glucose to glucose-6-phosphate. Identify the number of carbon atoms that are added to glucose to make it glucose-6-phosphate.


______ is used for conversion of 3-PGA to 2-PGA in glycolysis.


In glycolysis, Fructose 1,6-bisphosphate formed from fructose-6-phosphate is cleaved into ______.


Identify 'P' in the following reaction.

\[\ce{C6H12O6 ->[Glycolysis] 'P' + 2NADH + H+ -> 2CH3CHOHCOOH + 2NAD+}\]


Which of the following enzyme converts glucose to glucose-6-phosphate?


How many ATP molecules are generated when one molecule of reduced coenzyme NADH2 is re-oxidized during the respiratory chain? 


Which one of the following is the first step of glycolysis?


EMP pathway is ______.


Phosphorylation of glucose during glycolysis is catalysed by ______.


Energy is released during the oxidation of compounds in respiration. How is this energy stored and released as and when it is needed?


Comment on the statement – Respiration is an energy producing process but ATP is being used in some steps of the process.


ATP produced during glycolysis is a result of substrate level phosphorylation. Explain.


In the following flow chart, replace the symbols a,b,c and d with appropriate terms. Briefly explain the process and give any two application of it.


Identify the INCORRECT statement regarding glycolysis.


The process in which glucose is broken down into pyruvic acid is ______.


Assertion A: ATP is used at two steps in glycolysis.

Reason R: First ATP is used in converting glucose into glucose-6-phosphate and second ATP is used in conversion of fructose-6-phosphate into fructose-1-6-diphosphate.

In the light of the above statements, choose the correct answer from the options given below:


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