Solve this:
Q.28. During cellular respiration, number of ATP used during conversion of glucose into glyceraldehyde-3- phosphate is
(1) 1
(2) 2
(3) 3
(4) 4

Dear student,                                                                                                                                    
Please find below the solution to the asked query          

For the formation of glyceraldehyde-3-phosphate, 2 molecules of ATP are required. The steps at which they are required are as follows:

• Glucose to glucose 6-phosphate (expenditure of 1 ATP)
• Fructose-6-phosphate to Fructose1,6-bisphosphate (expenditure of 1 ATP).

Glyceraldehyde-3-phosphate is formed by splitting of Fructose1,6-bisphosphate.

Hence, option (2) is correct. 

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