2. Organisation of the Organism (Cambridge IGCSE Biology 0610 for exams in 2023,2024 and 2025)

This video summarises what you need to know about topic 2. Organisation of the Organism from the Cambridge IGCSE syllabus of Paper Biology 0610, for exams in 2023,2024 and 2025.

00:00 Welcome
00:17 Cells - Structure of an Animal Cell
01:18 Structure of a Plant Cell
02:18 Functions of Cell Structures
04:25 Cell, Tissue, Organ, Organ System, Organism
05:04 Specialised Cells
06:20 Size of Specimens

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[_ZYZZ]

[00:00] This video summarizes the organization of an organism, focusing on the structure and function of animal and plant cells
- A cell is the basic unit of life and the building block of an organism
- Animal cell parts include the nucleus, mitochondria, cell membrane, cytoplasm, and ribosomes
- Plant cells have additional organelles such as the cell wall, chloroplasts, and vacuole
- The nucleus controls the cell and stores DNA, while the mitochondria is the powerhouse of the cell
- The cell membrane controls what enters and leaves the cell, and the cytoplasm contains all organelles
- Ribosomes make proteins, and the additional plant cell organelles have specific functions

[02:40] The cytoplasm supports cell functioning and the cell membrane controls what goes in and out of the cell
- Chemical reactions take place in the jelly-like cytoplasm
- The ribosomes synthesize proteins for the cell
- The cell membrane provides protection and regulates transport
- The cell wall gives structural support and protection in plant cells
- Chloroplasts perform photosynthesis in plant cells
- Bacterial cells have circular DNA and plasmids for genetic exchange
- New cells are produced by the division of existing cells
- Specialized cells have specific functions in multicellular organisms

[05:21] Understanding the functions and sizes of different cells is important in biology
- Root cells in plants absorb minerals and water from soil
- Palisade mesophyll cells in leaves contain chloroplasts for photosynthesis
- Neurons carry electrical impulses
- Red blood cells transport oxygen with hemoglobin
- Gametes fuse for reproduction
- Magnification formula: magnification = image size/actual size
- Image and actual size must be in millimeters
- Conversion between millimeters and micrometers is necessary
- Knowing these concepts is crucial for biology studies

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[fact-tfpq]

hello mam wanted to inform you that we need to convert it to micrometer not millimeter.

[itsyourboyrohan]

Is that the only thing we need to know for specialized cells

[AhmadKhanGhumman]

I have a question? animal cells also have small vacuoles, right?

[AzutStudy]

I thought that animal cell also has vacuole!

[vdvs]

goood vid but pls get better mic. vol is to low