Organelles; The mitochondria which are rod-shaped organelles. Their main function is to produce energy that a cell can use to function. The name organelle comes from the idea that these structures are to cells what an organ is to the body. Endoplasmic Reticulum (smooth and rough); A network of membranes that form canals in the cytoplasm that allow
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component has its own‚ individual function which helps a cell to function and maintains the cell membrane. The components that I will be describing include the cell membrane‚ nucleus‚ cytoplasm‚ mitochondria‚ lysosomes‚ Golgi bodies‚ centrioles‚ endoplasmic reticulum (both smooth and rough) and ribosomes. The cell membrane - The cell membrane is also known as the plasma membrane and is located on the surface of all typical animal cells‚ it is covered by a double layer of phospholipid known as the bilayer
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1. Define the terms anatomy and physiology. Explain the principle of complementarity and how it applies to this course. The term anatomy refers to the structure of the body and its parts. Along with the study of the body structure‚ anatomy also refers to how these body parts work together and their working relationship as a whole. Physiology is the study of how the living systems in the body function and work. When studying the Physiology of the body it is most understandable if terms from the underlying
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organelles‚ including the nucleolus. The nucleus controls many of the functions of the cell and contains DNA. The nucleus is surrounded by the nuclear membrane ribosome - small organelles that are sites of protein synthesis. rough endoplasmic reticulum - (rough ER) a
Free Cell Endoplasmic reticulum Organelle
Fences The keep things out that shouldn’t be in the farm Smooth Endoplasmic Reticulum Paths The paths break off from the main area in different directions to transport different ‚ just like the smooth endoplasmic reticulum is a network breaking off into different directions Rough Endoplasmic Reticulum Pig Pens Rough endoplasmic reticulum hold ribosomes which produce protein. Just like pig pens hold pigs which produce protein
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• Golgi apparatus is responsible for the processing and packaging of protein and lipids. • The cisternae stack has four functional regions: the cis-Golgi network ‚medal-Golgi‚ endo-golgi‚ and trans-Golgi network. Vesicles from the endoplasmic reticulum. Location of Golgi Apparatus in cell. Working of Golgi Apparatus. Techniques used to study the Golgi Apparatus. • Cell Staining: Fluorescent Labelling of the Golgi Apparatus‚ Immunofluorescence can be used to visualize proteins
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system compartmentalizes the cell restricting certain metabolic reactions to certain areas of the cell. Phospholipids are a vital element of the endomembrane system it is these bilayers that cover structures like the nucleus‚ vacuoles‚ the endoplasmic reticulum (ER)‚ vesicles‚ and the cell itself. It is because of the unique properties of the phospholipid bilayer that vesicles are able to so easily fuse with the Golgi apparatus and the plasma membrane‚ If not for these properties the endomembrane
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Page 1 of 8 BIOLOGY 12- CELL STRUCTURE & FUNCTION Chapter Notes THE CELL THEORY • Although different living things may be as unlike as a violet and an octopus‚ they are all built in essentially the same way. The most basic similarity is that all living things are composed of one or more cells. This is known as the Cell Theory. • our knowledge of cells is built on work done with microscopes • English scientist Robert Hooke in 1665 first described cells from his observations of cork slices
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Fundamental Unit Of Life HOTS Questions Q 1. Identify the following cell organelle. What role does it play in cellular respiration? (2 marks) Q 2. Why an egg shrinks when placed in concentrated salt solution? (2 marks) Q 3. On what basis endoplasmic reticulum has been differentiated into two types? (2 marks) Q 4. Which cell organelles resemble following? 1. Kitchen of plant 2. Storage organ 3. Brain Q 5. A boiled egg was deshelled and then kept in water. What will happen? Q 6. How lysosomes resemble
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* Ribosomal RNA helps the ribosome function as a ribosome and all of that gets made or created in the nucleolus. * Nucleolus is a densely packed of proteins and ribosomal RNA where it is reproduced. It’s not membrane bound. * Endoplasmic Reticulum is viewed as bunch of tunnels. Then they lead to the Golgi bodies. Some ribosomes are attached to
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