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NEET Questions / Botany / Respiration in Plants / Glycolysis
In the liver, the enzyme primarily responsible for converting glucose to glucose-6-phosphate is:
Glucokinase
Hexokinase
Phosphofructokinase-1
Pyruvate kinase
The first committed step in glycolysis involves the conversion of glucose to glucose-6-phosphate. This reaction prevents glucose from:
Leaving the cell
Entering the mitochondria
Being stored as glycogen
Being converted to fructose
Which statement is FALSE regarding the conversion of glucose to glucose-6-phosphate in glycolysis?
It is the first committed step of glycolysis.
It is catalyzed by hexokinase or glucokinase.
It requires the input of ATP.
It is a reversible reaction.
During glycolysis, one glucose molecule is broken down into two pyruvic acid molecules. What is the net ATP production during this process?
0
2
4
38
In the metabolic pathway of glycolysis, how many ATP molecules are generated in total from one glucose molecule's conversion to two pyruvic acid molecules?
2
4
6
8
If a cell completes glycolysis on 3 glucose molecules, what is the total net ATP gain?
2
4
6
8
Which of the following statements about ATP production during glycolysis is incorrect?
It produces a net of two ATP molecules per glucose molecule.
It involves substrate-level phosphorylation.
It produces NADH.
It involves oxidative phosphorylation.
In glycolysis, for each molecule of glucose converted to pyruvate, what is the difference between the total ATP produced and the ATP consumed?
0
2
4
8
Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R :
Assertion A : ATP is consumed in the initial steps of glycolysis.
Reason R : ATP is required to phosphorylate glucose and fructose-6-phosphate.
In the light of the above statements, choose the correct answer from the options given below :
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is NOT the correct explanation of A
A is true but R is false
A is false but R is true
During glycolysis, how many ATP molecules are utilized in the preparatory phase, and which molecules are phosphorylated using these ATP molecules?
One ATP molecule; glucose
Two ATP molecules; glucose and fructose-6-phosphate
Three ATP molecules; glucose, fructose-6-phosphate, and fructose-1,6-bisphosphate
No ATP molecules are used in glycolysis