Cell - The Structure and Functions
ICSE · Class 6 · Biology
Summary of Cell - The Structure and Functions for ICSE Class 6 Biology. Key concepts, important points, and chapter overview.
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All living things are made up of tiny building blocks called cells. Just like bricks build a house, cells build all plants and animals. This chapter introduces you to the cell — the basic unit of life. You will learn how cells were discovered, what they look like, what parts they have, and how they
Key Concepts
Robert Hooke first discovered cells
Robert Hooke first discovered cells in 1665 by looking at a thin slice of cork under a microscope. He saw tiny box-like structures and called them 'ce
Every cell has three main parts
Every cell has three main parts: the cell membrane, cytoplasm, and nucleus. The cell membrane is a thin outer layer that controls what enters and leav
Inside the cytoplasm are small structures
Inside the cytoplasm are small structures called organelles. Important ones include mitochondria (powerhouse of the cell), nucleus (controls cell acti
Plant cells have a cell wall
Plant cells have a cell wall, large vacuoles, and plastids like chloroplasts. Animal cells do not have a cell wall or plastids, and their vacuoles are
Learning Objectives
- Understand the discovery and history of the cell
- Identify the main parts of plant and animal cells
- Describe the functions of cell organelles
- Differentiate between plant and animal cells
- Explain why the cell is called the structural and functional unit of life
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