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Formation of lactic acid from pyruvate requires

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Important Questions on Respiration and Energy Transfer

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Define fermentation. Write the names of substrate of alcoholic and lactic acid fermentation.
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Which of the following conversions in glycolysis is an example of substrate level phosphorylation?
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_____ is the common pathway for aerobic and anaerobic respiration. 
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During fermentation of glucose to ethanol, glucose is:
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Respective products released along with main product in biochemical reactions catalysed by given enzymes

A) Glutamine synthetase                      I) NADH + H​​​​​​+

B) Fructose 1,6-bisphosphatase        II) ADP + Pi

C) Hexokinase                                      III) Inorganic phosphate

D) Malate dehydrogenase                   IV) ADP

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In which one of the following processes CO2 is not released?
HARD

Which ONE of the following statements is INCORRECT about the hexokinase-catalysed reaction given below?

Glucose + ATP Glucose-6-phosphate+ADP

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Which one of the following gases is produced during fermentation by yeast?
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Which one of the following metabolic conversion requires oxygen?
HARD

Arrange the following in the order of their occurrence in the glycolytic pathway.

I. Triose bisphosphate Triose phosphate

II. Fructose-6-phosphate  Fructose 1,6-bisphosphate

III. Phosphoenolpyruvate  Pyruvic acid

IV. 2-Phosphoglycerate Phosphoenolpyruvate

V. Glucose-6-phosphate Fructose-6-phosphate

VI. Triose phosphate 2-Phosphoglycerate

The correct sequence is:

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Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by:
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Citric acid is industrially best produced by
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The reactions of Pentose Phosphate Pathway (PPP) take place in

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Which one is the correct sequence in glycolysis?
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How many PGAL are produced by glycolysis of 3 molecules of glucose? How many ATP are released by respiration of these PGAL till formation of CO2 and H2O?
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The enzyme required to catalyze the last step of glycolysis is?
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Which of the following enzyme is responsible for formation of glucose-6-phosphate from glucose?
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What is the net ATP molecules gain, when 4 molecules of glucose undergo anaerobic respiration in plant?