The Cell
ICSE · Class 10 · Biology
Summary of The Cell for ICSE Class 10 Biology. Key concepts, important points, and chapter overview.
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The cell is the structural and functional unit of all living organisms except viruses, protozoa, Euglena, and bacteria. All major life processes such as respiration, nutrition, and excretion are carried out by cells. Cells may be similar in basic design, but they become specialized to perform differ
Key Concepts
The cell wall is the outermost
The cell wall is the outermost boundary of a plant cell. It is non-living, freely permeable, and mainly made of cellulose. It is situated outside the
The cell membrane
The cell membrane, also called plasma membrane or plasmalemma, is living, selectively permeable, and made of lipid and protein. It is semifluid and ha
Cytoplasm is a crystallo
Cytoplasm is a crystallo-colloidal solution present between the cell membrane and the nucleus. It contains enzymes for metabolic reactions like glycol
The endoplasmic reticulum is an irregular
The endoplasmic reticulum is an irregular network of double membraned tubules stretched between the nuclear membrane and the cell membrane. Rough ER h
Ribosomes are the smallest cell organelles
Ribosomes are the smallest cell organelles. They are made of RNA and protein and are not bounded by a membrane. They may be attached to the endoplasmi
Learning Objectives
- Understand the cell as the basic unit of structure and function in living organisms.
- Describe the main parts of a cell and their functions.
- Compare plant cells and animal cells.
- Identify the structure and role of important cell organelles.
- Understand how different cell organelles work together to maintain life processes.
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