The Question is from neet-botany biomolecules-biology , and it was created by the author NISHANTH

Question

Which statement regarding coenzyme is incorrect?

NISHANTH · Accepted Answer

## CORE INFORMATION
✓ **Answer**: D
## CONCEPT FRAMEWORK
	**Primary Concept**: Coenzymes and their function in enzyme activity
	**Related Topics**: Enzyme kinetics, enzyme classification, metabolic pathways
	**Prerequisites**: Basic understanding of enzymes and their role as biological catalysts.
## SOLUTION PATHWAY
**Given Information**:
	The question asks for the INCORRECT statement about coenzymes.
**Method & Steps**:
	1. **Analyze each option based on the definition and properties of coenzymes.**
	Reasoning: Coenzymes are organic molecules that assist enzymes in catalyzing reactions.
	2. **Identify the statement that contradicts the established characteristics of coenzymes.**
	Working: Coenzymes are loosely bound to the enzyme's active site and are often modified during the reaction.  They are not permanently or tightly bound.
	Key Point: Coenzymes are often derived from vitamins and act as carriers of electrons, specific atoms, or functional groups.
	3. **Select the incorrect option.**
	Result: Option D states that coenzymes are tightly bound to the enzyme, which is incorrect.
	Verification: The other options correctly describe coenzymes as organic molecules (A), not consumed during the reaction (B), and essential for the activity of some enzymes (C).
## OPTION ANALYSIS
[A] ✓: Coenzymes are indeed organic molecules, often derived from vitamins.
[B] ✓: Coenzymes are not consumed during the reaction; they are recycled and can participate in multiple reactions.
[C] ✓: Some enzymes require coenzymes for their catalytic activity.  Without the coenzyme, the enzyme is inactive.
[D] :x: Coenzymes are *not* tightly bound to the enzyme. They bind reversibly to the enzyme's active site, enabling them to participate in the reaction and then detach.
## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing coenzymes with prosthetic groups: Prosthetic groups are tightly bound to the enzyme, unlike coenzymes.
			How to avoid: Remember that coenzymes are loosely bound and can be separated from the enzyme, while prosthetic groups are permanently attached.
		2. Assuming all enzymes require coenzymes: Not all enzymes require coenzymes for their activity.
			How to avoid: Understand that some enzymes function independently, while others rely on coenzymes for specific catalytic functions.
	**Quick Tips**:
		1. Many coenzymes are derived from vitamins: This can help you remember that they are organic molecules.
		2. Think of coenzymes as 'helper' molecules: They assist enzymes in carrying out their function.

NISHANTH · Answer

They are organic molecules.

NISHANTH · Answer

They are not consumed during the reaction.

NISHANTH · Answer

They are essential for the activity of some enzymes.

NISHANTH · Answer

The correct Option is "They are tightly bound to the enzyme."

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