Protoplasm Definition
Protoplasm is defined as the organic and inorganic materials that make up the nucleus, cytoplasm, plastids and mitochondria of living cells.
What is Protoplasm?
Protoplasm is the living tissue of a cell, composed of various cellular components. It is a jelly-like, colorless, clear and sticky organism that lives in the cell wall.
The term protoplasm was proposed in 1835, and is recognized as raw material because it is responsible for various biological processes.
These cells were thought to be vessels of protoplasm. However, he could not explain the origin of structures formed mainly within the cell nucleus.
Components and Functions Of A Protoplasm
The cytoplasm is the first layer of protoplasm, located between the cell membrane and the cytonucleus in a eukaryotic cell. The cytoplasm plays an important role in maintaining the cellular environment of the cell, maintaining cell morphology and also storing desired local products.
The nucleus is the second organ of protoplasm, which preserves the genetic information of the organism. Ribosomes are also found in the nucleus, which is essential for protein synthesis in the cell. In prokaryotes, the nucleoid replaces the nucleoid where all the genetic information is located.
Proteins, fats, enzymes, hormones, all make up protoplasm. These dissolve or are suspended in the aqueous phase of protoplasm.
Protoplasm Vs Cytoplasm
| Protoplasm | Cytoplasm |
| It is the living substance of the cell surrounding the cell membrane, nucleus, and cytoplasm. | The substance present between the cell membrane and the nucleus. |
| Contains cytoplasm and the nucleus. | Contains cell organelles like Golgi bodies, endoplasmic reticulum, mitochondria, ribosomes, but no nucleus. |
| Thick, translucent fluid composed of lipids, carbohydrates, inorganic salts, and nucleic acids. | Jelly-like fluid containing water, proteins and metabolic wastes. |
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