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Biology Form 4

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  2. Learning Hub
  3. Biology Form 4
  4. Chapter 3: Movement of Substances Across Plasma Membrane Overview
Biology Form 4
Textbook
Chapter 1: Introduction to Biology and Laboratory Rules
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 2: Cell Biology and Cell Organisation
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 3: Movement of Substances Across Plasma Membrane
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 4: Chemical Composition in a Cell
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 5: Metabolism and Enzymes
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 6: Cell Division
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 7: Cellular Respiration
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 8: Respiratory System in Humans and Animals
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 9: Nutrition and Digestive System of Humans
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 10: Transportation in Humans and Animals
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 11: Human Immunity
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 12: Coordination and Response in Humans
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 13: Homeostasis and Urinary System of Humans
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 14: Support and Locomotion in Humans and Animals
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice
Chapter 15: Sexual Reproduction, Development and Growth
  • Overview
  • Quick Notes
  • Video
  • Experiment
  • Practice

Chapter 3: Movement of Substances Across Plasma Membrane

What you need to learn in this chapter

In this chapter, we will learn about the movement of substances across the plasma membrane. We will start by understanding the structure of the plasma membrane and its components based on the fluid mosaic model. We will also discuss why it is necessary for substances to move across the membrane. Next, we will explore the concept of movement across the plasma membrane. We will learn about the characteristics of substances that can move across the membrane, such as size, polarity, and ionic charge. We will also conduct experiments using Visking tubing and a simple osmometer to study the movement of substances across a selectively permeable membrane. Moving on, we will examine how substances move across the plasma membrane in living organisms. We will discuss passive transport, where substances move from an area of high concentration to a low concentration without the use of energy. We will also explore active transport, where substances move against the concentration gradient with the use of energy. Lastly, we will look at the application of movement across the plasma membrane in daily life. We will conduct an experiment to determine the concentration of cell sap in plant tissue and correlate it with the phenomenon of plant wilting. This chapter will provide us with a deeper understanding of how substances move across the plasma membrane and its significance in living organisms and everyday life.

Topics in this chapter
1. Structure of Plasma Membrane
What you will learn in this topic
  1. Justify the necessity of movement of substances across a plasma membrane
  2. Describe the components of plasma membrane and its function based on the fluid mosaic model
  3. Draw and label the components of a plasma membrane based on the fluid mosaic model
  4. Describe the permeability of a plasma membrane
2. Concept of Movement of Substances Across a Plasma Membrane
What you will learn in this topic
  1. State the characteristics of substances that are able to move across a plasma membrane in these aspects: (i) size of molecules, (ii) polarity of molecules. (iii) ionic charge
  2. Conduct experiments to study the movement of substances across a selectively permeable membrane by using: (i) Visking tubing, (ii) simple osmometer
  3. Describe by using examples movement of substances across a plasma membrane: (i) passive transport, (ii) active transport
  4. Compare and contrast passive transport and active transport
3. Movement of Substances Across a Plasma Membrane in Living Organisms
What you will learn in this topic
  1. Explain by using examples the process of passive transport in organisms
  2. Explain by using examples the process of active transport in organisms
  3. Define the: (i) hypotonic solution, (ii) hypertonic solution, (iii) isotonic solution
  4. Design an experiment to study the effects of different concentrations of solution on animal and plant cells
  5. Communicate about the effect of hypotonic, hypertonic and isotonic solutions on cell based on the movement of water molecules: (i) animal cell, (ii) plant cell
4. Movement of Substances Across a Plasma Membrane and its Application in Daily Life
What you will learn in this topic
  1. Conduct an experiment to determine the concentration of cell sap of a plant tissue
  2. Correlate the concentration of cell sap in a plant tissue with the phenomenon of plant wilting
  3. Explain by using examples the application of the concept of movement of substances across a plasma membrane in daily life
  4. Communicate about reverse osmosis in water purification
Live Tuition Recordings
Revision P2
Tutor: Miss Aini
Friday 26 Jul 2024 09:00 pm
Chapter 3 Movement of Substances Across Plasma Membrane
Tutor: Miss Dira
Monday 20 May 2024 08:00 pm
Movement of substances across plasma membrane in daily life
Tutor: Miss Aini
Friday 03 May 2024 09:00 pm
Movement of substances across plasma membrane
Tutor: Miss Aini
Friday 26 Apr 2024 09:00 pm
Structure of plasma membrane
Tutor: Miss Aini
Friday 19 Apr 2024 09:00 pm
Chapter 3 Movement of substances across plasma membrane
Tutor: Miss Dira
Friday 09 Feb 2024 09:00 pm
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