2. Cell Biology
Cells, the fundamental units of life, vary in structure and function, encompassing both prokaryotic and eukaryotic types. Key cellular processes, including cell division, communication, and energy production, underscore their importance in the overall functioning of living organisms.
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What we have learnt
- Cells are the basic structural and functional units of all living organisms.
- Cell division processes such as mitosis and meiosis are crucial for organism growth and reproduction.
- Cell signaling and metabolism are essential for maintaining life processes.
Key Concepts
- -- Prokaryotic Cells
- Simple cells without a nucleus, such as bacteria, which carry out essential life processes.
- -- Eukaryotic Cells
- Complex cells with a defined nucleus, found in plants, animals, fungi, and protists, containing various organelles.
- -- Mitosis
- A process of cell division that results in two genetically identical daughter cells.
- -- Meiosis
- Type of cell division that reduces the chromosome number by half, producing four genetically diverse gametes.
- -- Cell Signaling
- The process by which cells communicate with each other through signaling molecules to coordinate cellular activities.
- -- Cellular Respiration
- The process by which cells generate ATP by breaking down glucose and other organic molecules.
- -- Photosynthesis
- The process by which plants convert light energy into chemical energy stored in glucose using carbon dioxide and water.
Additional Learning Materials
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