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Which of the following enzymes is absent in mitochondria? A] Aconitase B] Malic dehydrogenase C] Hexokinase D] None of these The correct answer is C] Hexokinase. Can you explain this answer?
Most Upvoted Answer
Which of the following enzymes is absent in mitochondria? A] Aconitase...
Mitochondria are organelles present in eukaryotic cells that play a crucial role in cellular respiration and energy production. Several enzymes are present in mitochondria that are required for various metabolic pathways. However, one enzyme that is absent in mitochondria is Hexokinase.

Heading: Hexokinase

Hexokinase is an enzyme that catalyzes the phosphorylation of glucose to form glucose-6-phosphate. This reaction is the first step in glycolysis, a metabolic pathway that converts glucose into pyruvate. Hexokinase is present in the cytoplasm of cells and is not found in mitochondria.

HTML bullet points:

- Hexokinase is absent in mitochondria.
- It is an enzyme that catalyzes the phosphorylation of glucose to form glucose-6-phosphate.
- This reaction is the first step in glycolysis.
- The enzyme is present in the cytoplasm of cells and is not found in mitochondria.

Conclusion:

In conclusion, Hexokinase is an enzyme that is absent in mitochondria. It plays a crucial role in the first step of glycolysis and is present in the cytoplasm of cells. Other enzymes required for various metabolic pathways are present in mitochondria.
Community Answer
Which of the following enzymes is absent in mitochondria? A] Aconitase...
Hexokinase is an enzyme that takes part in the process of glucose phosphorylation in the cytoplasm . Through the process of glycolysis , glucose 6-phosphate is formed . Hexokinase is found in cytoplasm...

So, correct answer is "Hexokinase"...

$$Hope it's help... $$
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Which of the following enzymes is absent in mitochondria? A] Aconitase B] Malic dehydrogenase C] Hexokinase D] None of these The correct answer is C] Hexokinase. Can you explain this answer?
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