Question:
The enzymes that catalyze the forward reaction in the glycolytic pathway are:
A. Phosphofructokinase
B. Hexokinase
C. Phosphoglycerate kinase
D. Pyruvate kinase
Choose the correct answer from the options given below:
The enzymes that catalyze the forward reaction in the glycolytic pathway are:
A. Phosphofructokinase
B. Hexokinase
C. Phosphoglycerate kinase
D. Pyruvate kinase
Choose the correct answer from the options given below:
A. Phosphofructokinase
B. Hexokinase
C. Phosphoglycerate kinase
D. Pyruvate kinase
Choose the correct answer from the options given below:
Show Hint
Irreversible glycolytic enzymes:
Hexokinase, Phosphofructokinase, Pyruvate kinase.
These are the main regulatory steps.
Hexokinase, Phosphofructokinase, Pyruvate kinase.
These are the main regulatory steps.
Updated On: Aug 18, 2026
- A, B and D only
- A, B and C only
- B, C and D only
- C, D and A only
Show Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Glycolysis has several enzymes that catalyze forward reactions.
Some are irreversible (regulated).
Step 2: Key Formula or Approach:
No specific formula.
Need to know the glycolytic enzymes.
Step 3: Detailed Explanation:
A. Phosphofructokinase (PFK) - catalyzes forward reaction in glycolysis - correct.
B. Hexokinase - catalyzes first step of glycolysis - correct.
C. Phosphoglycerate kinase - catalyzes reversible reaction (both forward and reverse) - not specifically forward.
D. Pyruvate kinase - catalyzes final step of glycolysis - correct.
Thus, A, B, and D are correct.
Step 4: Final Answer:
The correct enzymes are A, B, and D.
Hence, the correct option is (A).
Glycolysis has several enzymes that catalyze forward reactions.
Some are irreversible (regulated).
Step 2: Key Formula or Approach:
No specific formula.
Need to know the glycolytic enzymes.
Step 3: Detailed Explanation:
A. Phosphofructokinase (PFK) - catalyzes forward reaction in glycolysis - correct.
B. Hexokinase - catalyzes first step of glycolysis - correct.
C. Phosphoglycerate kinase - catalyzes reversible reaction (both forward and reverse) - not specifically forward.
D. Pyruvate kinase - catalyzes final step of glycolysis - correct.
Thus, A, B, and D are correct.
Step 4: Final Answer:
The correct enzymes are A, B, and D.
Hence, the correct option is (A).
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