Q. 18.27 - An Introduction to General, Organic, and Biological Chemistry

Question

 How many ATP or NADH are produced (or required) in each of the following steps in glycolysis? 

a. glucose to glucose-$6$-phosphate

 b. glyceraldehyde- $3$-phosphate to 1,3-bisphosphoglycerate 

c. glucose to pyruvate 

Step-by-Step Solution

Answer

a. The ATP or NADH are produced (or required) is one molecule

b. The ATP or NADH are produced (or required) is $1$ NADH for each triose

c. The ATP or NADH are produced (or required) is $2$ATP and $2$NADH

Part (a) Step 1: Given information

We need to find  that  how many ATP or NADH are produced in glycolysis .

Part (a) Step 2; Explanation

Here in this situation all through the method of glycolysis, 

Glucose receives phosphorylated with the aid of using hexokinase, forming glucose$-6$-phosphate. This step calls for one molecule of ATP.

Thus , one molecule is required here .

Part (b) Step 1: Given information

We need to find  that  how many ATP or NADH are produced in glycolysis .

Part (b) Step 2: Explanation

Here in this case , Glyceraldehyde-$3$-phosphate is phosphorylatedGlyceraldehyde-$3$-phosphate is phosphorylated via way of means of glyceraldehyde-$3$-phosphate dehydrogenase to shape $1,3$-bisphosphoglycerate. This step calls for $NAD+$ as a cofactor.

So, for every triose , $1$NADH is produced.

Part (c) Step 1: Given information

We need to find  that  how many ATP or NADH are produced in glycolysis .

Part (c) Step 2: Explanation

In this case , Glycolysis is  a manner wherein glucose that's a six carbon compound, is transformed into  molecules of pyruvate that's a three carbon compound. 

In the process of conversion of glucose to pyruvate, $2$ATP and$2$ NADH is required .