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Karnataka Board PUCPUC Science Class 11

Write any two energy yielding reactions of glycolysis. - Biology

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Question

Write any two energy yielding reactions of glycolysis.

Short/Brief Note
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Solution

The conversion of BPGA to 3-phosphoglyceric acid (PGA), is an energy-yielding process; this energy is trapped by the formation of ATP. Another ATP is synthesised during the conversion of PEP to pyruvic acid.

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Chapter 14: Respiration in Plants - Exercises [Page 82]

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NCERT Exemplar Biology [English] Class 11
Chapter 14 Respiration in Plants
Exercises | Q 20. | Page 82

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RELATED QUESTIONS

Pyruvate undergoes oxidative decarboxylation to produce _____________.

(a) 2-PGA

(b) α-Ketoglutarate

(c) Succinyl-Co-A

(d) Acetyl-Co-A


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.


Which of the following occurs during preparatory phase of glycolysis?


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


Which process does the following equation represent? 

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


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?


F1 particles participate in the synthesis of ______.


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.


The energy yield in terms of ATP is higher in aerobic respiration than anaerobic respiration. Why anaerobic respiration occurs even in organisms that live in aerobic condition like human beings and angiosperms?


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


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?


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


Give an account of Glycolysis. Where does it occur? What is the end product? Trace the fate of these products in both aerobic and anaerobic respiration.


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


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