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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
Course Description:_ Level up your English language skills and dive into the world of video games! In this unique course, you'll improve your reading, writing, and speaking abilities by analyzing the characters, storyline, and gameplay mechanics of a popular video game. Through interactive lessons, discussions, and activities, you'll: 1. Develop essential English language skills, including grammar, vocabulary, and pronunciation. 2. Analyze video game characters, motivations, and relationships to improve reading comprehension and critical thinking. 3. Examine the game's narrative structure, plot twists, and themes to enhance writing and storytelling skills. 4. Engage in discussions and debates about the game's mechanics, level design, and player experience to improve speaking and listening skills. 5. Cultivate problem-solving, critical thinking, and collaboration skills through game-inspired challenges and projects. _Course Objectives:_ - Improve English language proficiency - Develop critical thinking and analytical skills - Enhance creativity and self-expression - Foster collaboration and problem-solving skills - Build confidence in using English in everyday situations _Course Outline:_ Module 1: Introduction to English Language and Video Game Analysis - English language basics: grammar, vocabulary, and pronunciation - Analyzing video game characters and motivations Module 2: English Language Development through Character Analysis - English language skills: reading, writing, listening, and speaking - Examining character relationships, conflicts, and development Module 3: Narrative Structure and Gameplay Mechanics - Analyzing the game's storyline, plot twists, and themes - Understanding gameplay mechanics, level design, and player experience Module 4: Creative Expression and Self-Presentation - Writing and presenting: character backstories, game reviews, and walkthroughs - Building confidence: self-expression, feedback, and reflection _Target Audience:_ - English language learners - Video game enthusiasts - Individuals seeking to improve their critical thinking and analytical skills - Those looking to enhance their creativity and self-expression _Course Format:_ - Online lessons and discussions - Interactive activities and hands-on projects - Personalized feedback and support _Course Duration:_ - 12 weeks (3 months) Join the quest and power up your English language skills! Enroll in "Game On" today and start analyzing your way to language mastery!
English · Video games
Trusted teacher: Certified IB DP Math Teacher, dedicated to unlocking the world of numbers and equations for students around the globe. With years of experience in teaching mathematics in an international context, I bring a dynamic and engaging approach to online math education. My extensive background ensures that I am well-equipped to navigate and enhance the learning journey for students in various international programs, including the Cambridge International Programs (IGCSE, AS, A Level). What sets my classes apart is the seamless integration of technology into the learning experience. I conduct my sessions using a graphic tablet, ensuring that the transition to the online format doesn't compromise the quality of education. Each student receives a complete set of materials from the class via email in PDF format. This ensures that you have comprehensive notes and resources at your fingertips, aiding in thorough understanding and revision. My classes are designed to be interactive, fostering student participation and collaboration in the virtual learning environment. I understand the importance of catering to the individual needs and knowledge levels of each student. I adapt my teaching style to meet the unique requirements of my students, ensuring that the material is not only understood but mastered at a pace that suits them. Whether you're a beginner or an advanced learner, my goal is to create a supportive and inclusive learning environment tailored to your specific academic journey.
Trigonometry · Math
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Only reviews of students are published and they are guaranteed by Apprentus. Rated 5.0 out of 5 based on 8 reviews.

IB (International Baccalaureate) DP and MYP Math Teacher
Marko
We have been very happy with Marko's tutoring. My daughter is in an IB school doing DP, she wanted additional help with the more complicated functions. She found Marko easy to understand and was more confident in her maths as a result.
Review by CHARLOTTE

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