The Question is from neet-botany , and it was created by the author Mr. NARESH KUMAR K

Question

Teichoic acid is present in

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: [A]
## CONCEPT FRAMEWORK
	**Primary Concept**: Bacterial cell wall composition and characteristics.
	**Related Topics**: Gram staining, Peptidoglycan, Cell wall components
	**Prerequisites**: Basic knowledge of bacterial cell structure.
## SOLUTION PATHWAY
**Given Information**:
	* The question asks where teichoic acid is found.
**Method & Steps**:
	1. Recall the characteristics of Gram-positive and Gram-negative bacteria. Gram-positive bacteria have a thick peptidoglycan layer in their cell wall, while Gram-negative bacteria have a thin peptidoglycan layer and an outer membrane.
	2. Recall that teichoic acid is a component specific to the cell wall of Gram-positive bacteria.
	3. Therefore, the answer is the cell wall of Gram-positive bacteria.
 ## OPTION ANALYSIS
[A] ✓: Teichoic acids are a key component of the cell wall of Gram-positive bacteria, embedded within the peptidoglycan layer.
[B] :x: Gram-negative bacteria do not contain teichoic acid in their cell wall; they have an outer membrane instead.
[C] :x: Viruses have a capsid, which is a protein coat, not a cell wall or teichoic acid.
[D] :x: Mycoplasmas lack a cell wall altogether, they don't have teichoic acid in protoplasm
 ## LEARNING AIDS
	**Common Mistakes**:
		1.[Confusing Gram-positive and Gram-negative]: [Remember Gram-positive have a thick peptidoglycan layer and teichoic acid, while Gram-negative have a thin peptidoglycan and an outer membrane].
	**Quick Tips**:
		1.[Think 'positive-teichoic']: [Associate 'positive' with 'teichoic' to remember that teichoic acid is found in Gram-positive bacteria].

Mr. NARESH KUMAR K · Answer

The correct Option is "Cell wall of Gram positive bacteria"

Mr. NARESH KUMAR K · Answer

Cell wall of Gram negative bacteria

Mr. NARESH KUMAR K · Answer

Capsid of virus

Mr. NARESH KUMAR K · Answer

Protoplasm of mycoplasma

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