PPT-Transport across cell membrane

by Vani Gupta Types of cell membrane transport Factors affecting transport Cell membrane Chemical gradient Electrical gradient Rate of transport Passive transport. Chapter 2.2. McGraw-Hill Ryerson. Biology 12. (2011). Concentration gradient. Concentration gradient. : difference in concentration between one side of a membrane and the other. Ions and molecules like to move from . and Transport. Cell Membrane. Cell membrane- also called the . Plasma Membrane. Separates the cell from its surrounding . environment.  . Helps maintain homeostasis which is keeping the internal conditions constant. Endocytosis, and Exocytosis. Section 3.5. 1. Objectives. SWBAT describe active transport.. SWBAT distinguish among endocytosis, exocytosis, and phagocytosis. . Main Ideas. Proteins can transport materials against a concentration gradient.. Group 2- Cell Development. Gladys Alexandre, Cristina Calestani, John Koontz, Silvia Moreno, Brian Ring, William Said. Context: Principles of Biology I (BIOL 1107); >250 students (freshman level). (Guyton, 12. th. Ed. (chapter 4): . pg. 45-56) . Dr. . Ayisha. . Qureshi. Assistant Professor, Physiology. ACTIVE TRANSPORT. Definition: . Active . transport is a . carrier-mediated transport wherein . Chapter 3. Cell Membrane. Selectively permeable: allows . some. things to enter and leave. . Cell Membrane. Made of phospholipid bilayer. Cell Membrane. Made of a series of proteins.. https://www.youtube.com/watch?v=moPJkCbKjBs. Cell Membrane. .. The cell membrane . Controls. what comes out and . in of the cell. . It also provides protection.. The composition is a double layered sheet called a . Bi-lipid layer. .. This lipid bi-layer is made up of two . Learning . Goal . Describe . the composition and function of the lipid bilayer in cell membranes.. Cell Membranes. Cell membranes. . are semipermeable so that nutrients can enter the cell and waste products can leave.. HONORS BIOLOGY. 1. What . cell organelles/structures. are involved with protein production, packaging, transporting, and excretion from the cell?. Nucleus → rough endoplasmic reticulum . → Golgi apparatus → vesicle → cell membrane. (Chapter . 3) . Objectives:. 1- Define a cell and distinguish between cytosol and cytoplasm. . 2- Explain the structure and molecular organization of the cell membrane and list factors determining its selective permeability. . Function of the Cell Membrane:. Cell membrane separates the components of a cell from . its . environment. —surrounds the cell. “Gatekeeper” of the cell—regulates the flow of materials into and out of cell—. Warm-Up. What do you know so far about the cell membrane?. What do you want to know about the cell membrane?. Cell Membrane Structure & Function. Phospholipid. Bi-layer . (hydrophilic heads, hydrophobic tails). Ms. A. . Fasila. Begum. Assistant Professor. Department of Microbiology. Jamal Mohamed College. Trichy. Introduction. All microbes have a need for three things: carbon, energy, and . electrons.. Nutrients are substances in the environment used by organisms for catabolism and anabolism.. Lec3/cytology . 2021-2022. By: . MSc. . Farah E. . Ismaeel. Objectives of this lecture. Learn about . . cell . membrane . permeability. . . Learn . about . the ways of molecules transport via cell membrane. .