Question:
The main difference in Gram (+)ve and Gram (-)ve bacteria resides in their
The main difference in Gram (+)ve and Gram (-)ve bacteria resides in their
Updated On: Jul 13, 2024
- cell wall
- cell membrane
- cytoplasm
- flagella.
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The Correct Option is A
Solution and Explanation
Danish bacteriologists Christian Gram for the first time classified bacteria on the basis of the cell wall into two groups - gram +ve and gram -ve by staining with crystal violet and safranin. Gram +ve cell walls are less complex with peptidoglycan compounds and proteins and no lipids in the cell wall. Whereas in Gram -ve cell walls are more complex with peptidoglycan compounds, phospholipids and lipopolysaccharides and contains 20% lipids.
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Concepts Used:
Kingdom Monera
Characteristics of Monera Kingdom
The organisms in this kingdom have the following characteristics: -
- Monerans are single-celled creatures.
- The cell wall is made up of peptidoglycan and is stiff.
- Binary fission is asexual reproduction.
- They have 70S ribosomes in them.
- The locomotory organ is the flagella.
- Organelles such as mitochondria, lys
- osomes, plastids, Golgi bodies, endoplasmic reticulum, centrosome, and others are not present.
- These are decomposers and mineralizers for the environment
