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5 private teachers in Currie

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5 private teachers in Currie

Darvin - SpainRecently active£14
£14I teach English, Greek and Spanish classes for children and teenagers.
Teacher with more than ten years of experience, I have lived, studied and worked in Greece, Spain and England. My experience with both languages has given me the ability to teach other people in a dynamic and professional way. I offer to learn about your goals, your level of English, Greek or Spanish and thus design personalized and direct classes so that we can achieve your goals together. My greatest satisfaction is communicating with my students in the languages I have already taught them. I teach the classes online because I also work for the cruise line. I greatly respect my students and their goals, but I always make it clear that mutual respect, mutual schedules, and mutual commitment are the only three points that I try to have in common with my students, since those points reflect that we are going to meet our goals. I love to bring up topics about almost everything, doing pronunciation exercises. I truly believe that if we use what we do throughout the day to create an increasingly extensive vocabulary and we are persistent, I think that in a short time we can achieve very good results. I am a specialist in breaking the ice and creating the best closeness or complicity to get the most out of my dear students, I assure you that learning English, Greek and Spanish will be fun and one of the best experiences you will have!!!
English
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Fatiha - Dellys, AlgeriaRecently active£14
£14plasma membrane: structure, function, properties
Structure of the plasma membrane The plasma membrane is mainly composed of: Phospholipids: These amphipathic molecules (having both a hydrophilic and a hydrophobic part) are organized into a double lipid layer. This structure gives the membrane its semi-permeable barrier property. Proteins: They are integrated into the lipid bilayer and perform various functions: transport of molecules, reception of signals, cellular recognition, etc. Carbohydrates: Linked to lipids (glycolipids) or proteins (glycoproteins), they play an important role in cell recognition and cellular interactions. Function of the plasma membrane Selective barrier: The plasma membrane allows the selective passage of certain molecules while preventing others. Transport: Membrane proteins provide passive (simple or facilitated diffusion) or active (pumps) transport of molecules across the membrane. Receiving signals: Membrane receptors allow the cell to detect and respond to signals from its environment. Cell recognition: Molecules present on the surface of the membrane allow cells to recognize and interact with each other. Maintenance of homeostasis: The plasma membrane helps maintain a stable intracellular environment by regulating exchanges between the cell and its environment. Properties of the plasma membrane Fluidity: The plasma membrane is not a rigid structure but rather fluid, which allows it to deform and change shape. Asymmetry: The two faces of the plasma membrane have different compositions, which gives the membrane polarity. Plasma membrane models Fluid mosaic model: This model, the most accepted, describes the membrane as a constantly changing mosaic of lipids and proteins.
Cell biology
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