Science

Difference between cytoplasm and protoplasm

Main difference

The cell is the smallest structural and functional unit of a living body, it is generally microscopic. A cell in the body of an organism is mainly composed of a nucleus enclosed in a membrane and a cytoplasm. The confusion begins for the student when the cytoplasm is often called protoplasm. Many think that they are different due to their existence in the plant and animal cell, but that is not so because the cytoplasm is a part of the protoplasm of a cell. It should be noted that protoplasm is made up of three parts; nucleus, cytoplasm and cell membrane. So with this one can know that the protoplasm is one of the most important parts of the cell and comprises the membrane and the cytoplasm. The protoplasm is derived from the combination of two Greek words ‘Protos’ and ‘Plasma’,

Comparative chart

Cytoplasm Protoplasm
Structure The cytoplasm is a homogeneous colloidal fluid. Protoplasm is the translucent, viscous and watery substance with a gelatinous structure.
Core It is made up of organelles, cytosol, and food reserves, but lacks a nucleus. The protoplasm is mainly made up of three parts; nucleus, cytoplasm and cell membrane
Derivative and meaning Protoplasm is derived from the combination of two Greek words ‘Protos’ and ‘Plasma’, which mean ‘first’ and ‘formed things’ respectively. The term cytoplasm was introduced by Rudolf von Kölliker in 1863 as a synonym for protoplasm.

What is the cytoplasm?

The cytoplasm is one of the most important parts of a cell along with the cell membrane. It is the cellular substance or organelle outside the nucleus that is present between the cell membrane and the nucleus. The cytoplasm is present within the protoplasm, which refers to the collection of cell membrane, nucleus, and cytoplasm. The cytoplasm is a homogeneous colloidal liquid, consisting of organelles, cytosol, and food reserves. The cytosol of the cytoplasm consists mainly of water, salts, proteins, and other organic molecules. On the other hand, the organelles of the cytoplasm are the mitochondria, the Golgi body, the endoplasmic reticulum, the ribosomes, etc., they perform various functions. Mitochondria are responsible for cellular respiration, while ribosomes act as sites for protein synthesis.

What is protoplasm?

Protoplasm is the translucent, viscous and watery substance with a gelatinous structure. The appearance of this important structure depends mainly on the amount of water it contains. Physically it can be a gel-like structure or a more watery substance, which can feel like a liquid. Protoplasm is derived from the combination of two Greek words ‘Protos’ and ‘Plasma’, which mean ‘first’ and ‘formed things’ respectively. The protoplasm is mainly made up of three parts; nucleus, cytoplasm and cell membrane, so taking into account its importance, the English biologist Thomas Huxley referred to it as the “physical basis of life”. Depending on the cell type, the composition of the protoplasm varies, generally it is a sum of 70 to 90 percent of water.

Cytoplasm vs. protoplasm

  • The cytoplasm is one of the parts of the protoplasm of a cell.
  • Protoplasm is one of the most important parts of the cell and is part of the membrane and cytoplasm.
  • Protoplasm is derived from the combination of two Greek words ‘Protos’ and ‘Plasma’, meaning ‘first’ and ‘things formed’ respectively, while the term cytoplasm was introduced by Rudolf von Kölliker in 1863 as a synonym for protoplasm.
  • The cytoplasm is a homogeneous colloidal liquid, which has no nucleus, while the protoplasm is the translucent, viscous and watery substance with a gelatinous structure consisting of cytoplasm and plasma membrane together with nucleus.

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