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Karnataka Board PUCPUC Science Class 11

Pyruvic acid is the end product of glycolysis. What are the three metabolic products of pyruvic acid produced under aerobic and anaerobic conditions?

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Question

Pyruvic acid is the end product of glycolysis. What are the three metabolic products of pyruvic acid produced under aerobic and anaerobic conditions? Write their name in the space provided in the diagram.

Diagram
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Solution

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Chapter 14: Respiration in Plants - Exercises [Page 80]

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NCERT Exemplar Biology Exemplar [English] Class 11
Chapter 14 Respiration in Plants
Exercises | Q 3. | Page 80

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RELATED QUESTIONS

Differentiate between Glycolysis and Krebs’ cycle.


Describe the connecting link between glycolysis and Krebs’ cycle.


The adenosine triphosphate (ATP) gain during glycolysis, connecting
link and Krebs' cycle respectively are ___

(a) 8, 6, 24

(b) 8, 24, 6

(c) 24, 8, 6

(d) 6, 8 24


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.


How many oxygen molecules are utilized in glycolysis?


Which of the following is the first step of glycolysis?


During glycolysis of one molecule of glucose, how many ADP molecules are phosphorylated?


Which process does the following equation represent? 

\[\ce{C6H12O6 + 2NAD + 2ADP + 2Pi → CH3 - CO - COOH + 2 NADH2 + 2 ATP}\]


How many molecules of pyruvic acid are formed in glycolysis?


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?


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


Write any two energy yielding reactions of glycolysis.


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.


Formation of acetyl CoA from pyruvic acid takes place by ______.


The first three steps of glycolysis are called as ______.


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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