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

Question

Select the wrong statement.

NISHANTH · Accepted Answer

## CORE INFORMATION
✓ **Answer**: [A]
## CONCEPT FRAMEWORK
	**Primary Concept**: Understanding the basic building blocks of biological macromolecules
	**Related Topics**: Lipids, Proteins, Enzymes, Photosynthesis
	**Prerequisites**: Knowledge of cell biology and biochemistry
## SOLUTION PATHWAY
**Given Information**:
		- Statement A: The building blocks of lipids are amino acids.
		- Statement B: Majority of enzymes contain a non-protein part called the prosthetic group.
		- Statement C: The thylakoids are arranged one above the other like a stack of coins forming a granum.
		- Statement D: Crossing over occurs at pachytene stage of meiosis-I.
**Method & Steps**:
	1. Identify the building blocks of lipids.
		Reasoning: Lipids are primarily made of fatty acids and glycerol, not amino acids.
		Formula/Rule: Lipids = Fatty acids + Glycerol.
	2. Analyze the other statements for correctness.
		Working: 
		- Statement B is true; enzymes often have a prosthetic group for activity.
		- Statement C is true; thylakoids stack to form granum.
		- Statement D is true; crossing over occurs during the pachytene stage of meiosis-I.
	3. Conclude the analysis.
		Result: Statement A is the only incorrect statement.
		Verification: Lipids are not made of amino acids; this confirms A is wrong.
## OPTION ANALYSIS
[A] ✓: The statement is incorrect because lipids are primarily composed of fatty acids, not amino acids.
[B] :x: This statement is correct; many enzymes do contain prosthetic groups that are essential for their function.
[C] :x: This statement is correct; the structure of thylakoids in chloroplasts forms granum.
[D] :x: This statement is correct; crossing over occurs during the pachytene stage of meiosis-I.
## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing amino acids with fatty acids: Remember that amino acids are the building blocks of proteins, not lipids.
		2. Misunderstanding enzyme function: Ensure clarity on the role of prosthetic groups in enzymes.
	**Quick Tips**:
		1. Recall the basic structures: Lipids = Fatty acids + Glycerol; Proteins = Amino acids.
		2. Remember the stages of meiosis and their key events to avoid confusion.

NISHANTH · Answer

The correct Option is "The building blocks of lipids are amino acids"

NISHANTH · Answer

Majority of enzymes contain a non-protein part called the prosthetic group

NISHANTH · Answer

The thylakoids are arranged one above the other like a stack of coins forming a granum

NISHANTH · Answer

Crossing over occurs at pachytene stage of meiosis-I

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