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Key Concept: A plant's cell wall helps to protect and support the cell. The cell membrane controls what substances come into and out of a cell. An organelle is a structure in the cell that has a specific function. The cell wall is a stiff layer that protects and supports the cell. Animal cells do not have cell walls.
Cell theory states that new cells are formed from other existing cells and that the cell is a fundamental unit of . structure, function and organisation in . all living organisms. Animal and plant cells are . eukaryotic. They contain membrane-bound organelles, DNA is found within a nucleus, cell walls are made of . cellulose, ribosomes are 80s ...
The goal of this tutorial is for you to be able to describe cell theory, differences between prokaryotic and eukaryotic cells and understand cell structure and function.
- Membranous Organelles
- Non-Membranous Organelles
- In A Nutshell
These membranous organelles play important roles in eukaryotic cells: 1. Plasma membrane 2. Nucleus 3. Endoplasmic Reticulum 4. Mitochondria 5. Chloroplasts 6. Golgi apparatus 7. Lysosomes 8. Vacuoles
Non-membranous organelles include the following: 1. Cell wall 2. Ribosomes 3. Centrioles 4. Cytoskeleton
Cell organelles are fascinating entities. They execute varied functions, including protein synthesis, respiration, transportation, movement, support, and more. Hence, they can be viewed as the infrastructure that makes the cell an autonomous city.
a cell wall. Plant cells, fungal cells, bacterial cells, and some protists have cell walls. A cell wall is a stiff structure outside the cell membrane. A cell wall protects a cell from viruses and other harmful organisms. In some plant and fungal cells, the cell wall helps the cell keep its shape and gives it support. Cell Appendages
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Feb 3, 2024 · This carefully curated pack consists of three dynamic worksheets with an answer key designed to delve into the intricacies of types of cells, their structures, the functions of specialized cellular structures, magnification, and the captivating world of cell division.
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Feb 13, 2024 · PowerPoint presentation and worksheet on cell structure for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource follows the AQA Biology GCSE syllabus.
