NCERT Solutions for Class 8 Science Chapter 8 Cell – Structure and Functions are provided in this article. It comprises all the important definitions, concepts, and methodologies that will be really beneficial for the students. The important topics that are included in this chapter are:
Download PDF: NCERT Solutions for Class 8 Science Chapter 8 Cell – Structure and Functions
NCERT Solutions for Class 8 Science Chapter 8
Class 8 Chapter 8 Science Cell – Structure and Functions: Important Topics
Cells are the fundamental unit of life. If we were to break apart an organism to the cellular level, the smallest independent component that we would find would be the cell.
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Cell Membrane
The cell membrane, also known as the plasma membrane, present in all cells, is defined as a biological membrane that separates the interior of all cells from the outside environment protecting the cell from its environment. It consists of a lipid bilayer that is semipermeable, and it regulates the transport of materials entering and exiting the cell.
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Cytoplasm
The cytoplasm is defined as a thick solution that fills each cell and is enclosed by the cell membrane. It is basically composed of water, salts, and proteins. In eukaryotic cells, the cytoplasm includes all of the material inside the cell and outside of the nucleus.
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Nucleus
A nucleus is defined as the membrane-enclosed organelle within a cell that contains the chromosomes. An array of holes, or pores, in the nuclear membrane, allows for the selective passage of certain molecules, such as proteins and nucleic acids, into and out of the nucleus.
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