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    1. Courses
    2. [TEA-T4] SBI4U Biology by Ms. E. Hou (2024-25 T4)

    • WELCOME!

      Welcome to SBI4U, Grade 12 Biology, University Preparation!

      • Teacher email: ella.h@teacademy.ca
        Zoom Link:  https://edu4u.zoom.us/j/3701812189


        Assessment List: 
        Assignment 1 - Due Mar 18 
        Unit 1 OF Assessment - Due Mar 24, Monday (Review questions + lab)
        Unit 2 Oral Test: Cellular respiration on Mar 28, Friday
        Unit 2 Test (Cellular respiration and Photosynthesis) on Apr 4, Friday 
        Unit 2 Discussion Forum: The Role of Tropical Forests in Climate Change Due Monday, Apr 7, 12pm. 
        Unit 3 Test: DNA replication & genes and protein synthesis Apr 17, 2025 Thursday
        Unit 3 Assignment: Genetic Disorder Research Pamphlet due Apr 18, 2025 Friday 23:59pm

        ***Please note, all work need to be submitted on time. Late submission for worksheet is not accepted as teacher will take up or post the solution once the deadline is past. Late submission for OF assessment will end up with 10% mark deduction per day. 

      • Announcements Forum
      • Yue: https://www.canva.com/design/DAGl2At4THA/7jVSc4Eqjtk30ryHWDqOOw/edit?utm_content=DAGl2At4THA&utm_campaign=designshare&utm_medium=link2&utm_source=sharebutton

      • 11.1 The Role of the Nervous System File
      • 11.3 CNS File
      • Questions File
    • COURSE ORIENTATION
      COURSE ORIENTATION
    • COURSE AGREEMENT
      COURSE AGREEMENT

      COURSE AGREEMENT

      Students must read and agree to the following procedures and policies before starting the course.

    • Day 1 - Introduction to SBI4U
      Day 1 - Introduction to SBI4U

      Day 1 - Introduction to SBI4U

      Add a Pre-Learning Assessment (Quiz/Assignment) (FOR) in this section.

    • Unit 1 - Biochemistry (#20 Hours)

      UNIT DESCRIPTION:In this unit, you will learn about electronegativity and intermolecular forces. You will also learn about organic compounds and the importance of functional groups. You will investigate macromolecules including carbohydrates, lipids, proteins and nucleic acids. You will take a closer look at enzymes and enzyme activity as well as the different parts of a cell and their functions including membrane structure, function and transport.Submission Format: PDF (include your name, date and assignment title); Double spaced, Times New Roman, 12 pt font.
      Unit 1 - Biochemistry (#20 Hours)
        • Unit 1 Plan File
        • Unit 1 OF Assessment - Due Mar 24, Monday Assignment
          This OF Assessment includes two parts: 
          - Review assignment: complete in word document
          - Lab component: see below

          Osmosis and diffusion are essential biological processes that allow cells to regulate water balance and maintain homeostasis. In this lab assignment, you will explore these concepts by conducting experiments with eggs and potatoes to observe how water moves across semi-permeable membranes. By placing these biological materials in different solutions, you will investigate the effects of osmosis and diffusion, simulating real-world processes that occur in cells.

          Through this assignment, you will:

          • watch lab demonstration videos.
          • complete pre-lab notes and questions.
          • conduct your own experiments at home.
          • record observations and analyze results.
          • record and submit a video (4-6 minutes) for each of your experiments (2 videos in total), similar to the ones provided.

          This hands-on investigation will deepen your understanding of osmosis and diffusion while enhancing your scientific inquiry and communication skills.

          Instructions:

          1. Download the Egg and Potato Labs Assignment document
          2. Watch the provided demonstration videos of the Egg Lab (link on page 2) and Potato Lab (link on page 5). 
          3. Using information from the videos, complete pages 2, 5 and 6 of the assignment document.
          4. Perform both the Egg Lab and Potato Lab at home following similar steps shown in the videos and make sure to use the proper solutions and conditions of that on page 3 and 7. Complete page 3, 4 and 7 of the assignment.
          5. Film yourself conducting the experiment, similar to the demonstration videos. Ensure your video includes key steps, observations, and results. Keep your video between 4-6 minutes long. 

          Submission Format:

          • Submit your written responses as a PDF document and MP4 or MOV for videos. 
          • If your video file size exceeds 20MB, please upload to google drive or youtube and share the link to your videos.

          Rubric


    • Lesson 1.1-Bio Chem Intro (atomic structure and chemical reactions)
      Lesson 1.1-Bio Chem Intro (atomic structure and chemical reactions)

      Lesson 1.1-Bio Chem Intro (atomic structure and chemical reactions)

      Learning Goals: By the end of this lesson you will be able toi) Use appropriate terminology related to biochemistry, including, but not limited to: covalent and ionic bond ii) Identify common functional groups within biological molecules (e.g., hydroxyl, carbonyl, carboxyl, amino, phosphate), and explain how they contribute to the function of each molecule. iii) identify and describe the four main types of biochemical reactions (oxidation-reduction [redox], hydrolysis, condensation, and neutralization) Materials and Resources:PPTs-BioChem#1 Major Intermolecular Forces https://www.youtube.com/watch?v=S8QsLUO_tgQ https://www.youtube.com/watch?v=DhagapTUjUM VSEPR Theory https://www.youtube.com/watch?v=keHS-CASZfcAssignments / Homework: AS /FOR ASSESSMENT Pg# 18 Q. 1, 6, 8, 10 Pg# 24 Q. 4, 9, 11

    • Lesson 1.2 -Carbohydrates & Lipids
      Lesson 1.2 -Carbohydrates & Lipids

      Lesson 1.2 -Carbohydrates & Lipids

      Learning Goals: By the end of this lesson you will be able toi) Illustrate 3D models of Carbohydrates; Lipids and Proteinsii) Identify common functional groups within biological molecules (e.g., hydroxyl, carbonyl, carboxyl, amino, phosphate), and explain how they contribute to the function of each molecule.iii) Testing the presence of glucose, reducing sugar and fats in a food samples.Success Criteria: By the end of this lesson you will be able tohave a clear concept of the molecular structures of three macromolecules of life and can explain with evidence the unique role of carbon in living things.Assignments / Homework: AS /FOR ASSESSMENT i. (Pre-Interview: conversation) ii. Activity on food test (Class discussion and participation) iii. Observation: during group discussion iv. C.W. Pg#28 Q# 7, 10, 12 Pg# 38 Q. 1 to 8 (20 marks) HW- functional groups (_ 60 min) (10 marks)

    • Lesson 1.3 - Proteins; biochemical reactions & Enzymes
      Lesson 1.3 - Proteins; biochemical reactions & Enzymes

      Lesson 1.3 - Proteins; biochemical reactions & Enzymes

      Learning Goals: By the end of this lesson you will be able toi) Illustrate 3D models of Proteins ii) Describe the chemical structures and mechanisms of various enzymesiii) Factors that affect enzyme activities.

    • Lesson #1.4 - Cells & Cell’s organelles
      Lesson #1.4 - Cells & Cell’s organelles

      Lesson #1.4 - Cells & Cell’s organelles

      Learning Goals: By the end of this lesson you will be able toevaluate technological advances in the field of cellular biologyexplain the roles of various organelles, such as lysosomes, vacuoles, mitochondria, internal cell membranes, ribosomes, smooth and rough endoplasmic reticulum, and Golgi bodies, in cellular processesexplain the roles of other organelles: Mitochondria, Plastids, Cytoskeleton, Cilia, Flagella, and pseudopods

    • Lesson 1.5 - MOVEMENT OF MOLECULES ACROSS THE PLASMA MEMBRANE
      Lesson 1.5 - MOVEMENT OF MOLECULES ACROSS THE PLASMA MEMBRANE

      Lesson 1.5 - MOVEMENT OF MOLECULES ACROSS THE PLASMA MEMBRANE

      Learning Goals: By the end of this lesson you will be able toexplain the roles of various other organelles, such as, in cellular processes use appropriate terminology related to biochemistry, including: active and passive transport describe the structure of cell membranes according to the fluid mosaic model, and explain the dynamics of passive transport, facilitated diffusion, and the movement of large particles across the cell membrane by the processes of endocytosis and exocytosis plan and conduct an investigation to demonstrate the movement of substances across a membraneSuccess Criteria: By the end of this lesson you will be able toexplain in full confidence the transportation system of cell's membrane (Passive and Active).

    • Unit 2 - METABOLIC PROCESSES (# 24 Hours)

      Unit Description and Learning Goal: C1.analyze the role of metabolic processes in the functioning of biotic and abiotic systems, and evaluate the importance of an understanding of these processes and related technologies to personal choices made in everyday life; C2.investigate the products of metabolic processes such as cellular respiration and photosynthesis; C3.demonstrate an understanding of the chemical changes and energy conversions that occur in metabolic processes.Assessment EvaluationCW; HW; Class discussion; Unit#2-MCQ quiz test; Unit test#2Submission Format: PDF (include your name, date and assignment title); Double spaced, Times New Roman, 12 pt font.
      Unit 2 - METABOLIC PROCESSES (# 24 Hours)
        • Unit 2 Plan File


        • SBI4U-Review unit#2-Metabolic processes File
    • Lesson 2.1- Intro to Cellular Respiration
      Lesson 2.1- Intro to Cellular Respiration

      Lesson 2.1- Intro to Cellular Respiration

      Learning Goals: understand how processes fit together: Glycolysis, Pyruvate Oxidation, Krebs Cycle & Electron Transport Chain (ETC)identify and describe the 4 main types of biochemical reactionsTasks:Watch Chemical Reactions Video Lesson (9:20 min) and complete Chemical Reactions noteRead Chapter 3.1, 3.2, 3.4 and supplement your notes.Answer questions 12 and 13 on page 18 in Chapter 1.1 Answer questions 1, 2, 3a and 4 on page 140 in Chapter 3.1Watch Cellular Respiration Intro Video Lesson (19:19 min) and complete Cellular Respiration Overview noteRead Chapter 4.1 in the textbook and supplement your notes.Complete Cellular Respiration Graphic Organizer Check your answers and review as necessary.

    • Lesson 2.2 - Glycolysis & Pyruvate Oxidation
      Lesson 2.2 - Glycolysis & Pyruvate Oxidation

      Lesson 2.2 - Glycolysis & Pyruvate Oxidation

      Learning Goals: By the end of this lesson you will be able to explain the chemical changes and energy conversion occurring identify molecules and their roles throughout the processesTextbook Section 4.2 (pages 172-174)Tasks:Watch Glycolysis Video Lesson (7:53 min) and complete Glycolysis & Glycolytic Pathway notesWatch Pyruvate Oxidation Video Lesson (2:12 min)Read pages 172 - 174 from Section 4.2 in the textbook and supplement your notes.Answer questions 1, 4, 6 and 9 on Cellular Respiration Worksheet Submit all work to dropbox.Check your answers and review as necessary.Complete the following to help you memorize the processes:Glycolysis QuizletGlycolysis Diagram LabellingSimple Glycolysis Diagram LabellingGlycolysis Quiz (click the first one - Glycolysis pathway quiz)

    • Lesson 2.3 - Regulate Cellular respiration
      Lesson 2.3 - Regulate Cellular respiration

      Lesson 2.3 - Regulate Cellular respiration

      Tasks: Watch Regulating Rate of Cellular Respiration & Alternate Mechanisms Video Lesson (11:53 min) and complete Regulating Rate of Cellular Respiration NoteRead Section 4.3 in the textbook and supplement your notesWatch Anaerobic Respiration Video Lesson (5:20 min) and complete Anaerobic Pathways Note Read Section 4.4 in the textbook and supplement your notesAnswer questions 23-26 from Cellular Respiration Worksheet Submit all work to dropbox. Ask teacher for answer key.

    • Lesson 2.5 - Photosynthesis
      Lesson 2.5 - Photosynthesis

      Lesson 2.5 - Photosynthesis

      Learning Goals: By the end of this lesson you will be able to· use appropriate terminology including photolysis, Calvin cycle, light and dark reactions, cyclic and non-cyclic phosphorylation· explain the chemical changes and energy conversions associated with the process of photosynthesis· describe and illustrate the matter and energy transformations that occur during the process of photosynthesisdescribe the role of the chloroplast in photosynthesisTasks:Watch Photosynthesis Organisms Video Lesson (10:37 min) and complete Photosynthesis Organisms NoteWatch Photosynthesis: Light Reactions Video Lesson (9:26 min) and complete Light Reactions NoteWatch Calvin Cycle Video Lesson (8:22 min) and complete Calvin Cycle Note Read Section 5.1 & Section 5.2 in the textbook and supplement your notes.Complete the following worksheetPhotosynthesis Flow ChartPhotosystem ColoringCalvin Cycle QuestionsSubmit all work to dropbox, then ask teacher for answer keyComplete the following to help you memorize the processes:Light Reactions QuizletCalvin Cycle QuizletPhotosynthesis QuizPhotosynthesis Interactive Game

    • Lesson 2.6 - C4 & CAM Plants
      Lesson 2.6 - C4 & CAM Plants

      Lesson 2.6 - C4 & CAM Plants

      Learning Goals: By the end of this lesson you will be able to...Explain how plants have adapted and have altered the chemical changes and energy conversions associated with photosynthesis.Task:Watch Alternative Mechanisms of Carbon Fixation Video Lesson (11:26 min) and complete The Alternative Mechanisms of Carbon Fixation Note Read Section 5.4 in the textbook and supplement your notes.Complete the Alternate Mechanisms Questions Submit all work to dropbox. Answer key will be provided once submitted.

    • Lesson 2.7: Review
      Lesson 2.7: Review

      Lesson 2.7: Review

      Task: Complete the sheet, submit to drop box no later than Thursday 9am. Teacher will take up the solution on Thursday, on the purpose of review for the Friday's test. Fail to submit on time will take as incomplete. Late submission is not accepted.

    • Unit 3 - Molecular Genetics (# 25 Hours)

      Unit Description and Learning Goal:D1. analyze some of the social, ethical, and legal issues associated with genetic research and biotechnology; D2.investigate, through laboratory activities, the structures of cell components and their roles in processes that occur within the cell; D3.demonstrate an understanding of concepts related to molecular genetics, and how genetic modification is applied in industry and agriculture.Assessment Evaluation:CW; HW; Lab work; Class discussion; ; Unit#3-MCQ quiz test;Unit test#3
      Unit 3 - Molecular Genetics (# 25 Hours)
        • Unit 3 Plan-Molecular Genetics File
        • Unit 3 - Reflection/Feedback
    • Lesson 3.1 - An Intro to DNA
      Lesson 3.1 - An Intro to DNA

      Lesson 3.1 - An Intro to DNA

      Learning Goals: By the end of this lesson you will be able to...describe historical scientific contributions that have advanced molecular geneticsexplain the basic structure and components of DNATasks:Watch DNA Structure Video Lesson (8:59 min) and complete DNA Structure Note Read Section 6.1 & Section 6.2 in the textbook and supplement your notes.Complete DNA Extraction Virtual Lab Submit all work to dropbox

    • Lesson 3.2-DNA Replication and Repair
      Lesson 3.2-DNA Replication and Repair

      Lesson 3.2-DNA Replication and Repair

      Learning Goals: By the end of this lesson you will be able to...explain how DNA replication occurs in cells and why it is importantdescribe the different repair mechanisms that can correct mistakes in DNA sequencingTasks:Watch DNA Replication Video Lesson (10:03 min) and complete DNA Replication NoteRead Section 6.4 in the textbook and supplement your notes.Complete the followingDNA and Replication Crossword DNA Replication Worksheet Submit all work to dropbox.Complete the following for extra practice:DNA Replication QuizletReplication Diagram Quizlet

    • Lesson 3.3 - Transcription
      Lesson 3.3 - Transcription

      Lesson 3.3 - Transcription

      Learning Goals: By the end of this lesson you will be able to...explain the process of transcription and its importance to living organismscompare the structures and functions of RNA to DNA, and explain their roles in the process of protein synthesisTasks:Watch Transcription Video Lesson (8:35 min) and complete Transcription Note Answer Transcription QuestionsRead Section 7.1 & Section 7.2 in the textbook and supplement your notes.Do questions 1, 2, 3, 4, 6, 7, and 9 on page 324 in Section 7.2 of textbook.Submit all work to dropboxComplete the following for extra practice:Transcription Quizlet

    • Lesson 3.4: Translation
      Lesson 3.4: Translation

      Lesson 3.4: Translation

      Learning Goals: By the end of this lesson you will be able to:Explain the steps of translation as involved in the process of protein synthesisTask: Watch Translation Video Lesson (8:35 min) and complete Translation NoteRead Section 7.3 in the textbook and supplement your notes.Answer Translation Questions (I will print this out - ask for answer once done)Complete Transcription and Translation Activity Analysis Questions (ask for answer once done)Submit all work to dropbox

    • Lesson 3.5 - Mutation
      Lesson 3.5 - Mutation

      Lesson 3.5 - Mutation

      Learning Goals: By the end of this lesson you will be able to...Explain how mutations can occur by changing the genetic material in cells and the effects of these changesTasks:Watch Mutations Video Lesson (13:06 min) and complete Translation Note https://www.youtube.com/watch?v=lCZazxNfwFQRead Section 7.5 in the textbook and supplement your notes.Complete the DNA Mutations Worksheet (ask teacher answer key after you submit)Submit all work to dropboxComplete Genetic Disorder Research Pamphlet (Assessment OF Learning)

    • Lesson 3.6 - Controlling gene expression
      Lesson 3.6 - Controlling gene expression

      Lesson 3.6 - Controlling gene expression

      Learning Goals: By the end of this lesson you will be able to...explain how genetic expression is controlled in prokaryotes and eukaryotes by regulatory proteinsTask:Watch Control Mechanisms Video Lesson (16:22 min) and complete Control Mechanisms Note https://www.youtube.com/watch?v=cv8msjqNf_MWatch Genetic Process - Prokaryotic vs Eukaryotic Cells Video Lesson (5:31 min) and complete Prokaryotes vs Eukaryotes Note https://www.youtube.com/watch?v=96c7GMgIL10Submit all work to dropbox.Complete the following for extra practice:Operon Quizlet: https://quizlet.com/ca/249376954/operon-flash-cards/Gene Control Quizlet: https://quizlet.com/ca/249377680/gene-control-flash-cards/ Lac Operon Quiz (need Adobe Flash Player to watch the animation): https://highered.mheducation.com/sites/0072556781/student_view0/chapter12/animation_quiz_4.htmlTrp Operon Quiz (need Adobe Flash Player to watch the animation) https://highered.mheducation.com/sites/0072995246/student_view0/chapter7/the_trp_operon.html

    • 3.7-Biotechnology
      3.7-Biotechnology

      3.7-Biotechnology

      Learning Goals: By the end of this lesson you will be able to...describe examples of genetic modification, and explain how it is applied in industry and agricultureTasks:Watch Advanced Molecular Biological Techniques Video Lesson (9:37 min) and complete PCR and RFLP Note https://www.youtube.com/watch?v=8xCWKHm2hEI&t=3sComplete the Virtual PCR Lab Submit all work to dropbox.Check answers and review as necessary

    • Unit 4 - HOMEOSTASIS (# 20 Hours)

      Unit Description and Learning Goal:E1. evaluate the impact on the human body of selected chemical substances and of environmental factors related to human activity; E2. investigate the feedback mechanisms that maintain homeostasis in living organisms; E3. demonstrate an understanding of the anatomy and physiology of human body systems, and explain the mechanisms that enable the body to maintain homeostasis.
      Unit 4 - HOMEOSTASIS (# 20 Hours)
        • Unit 4 Plan File


    • Lesson 4.1 - The Nervous system
      Lesson 4.1 - The Nervous system

      Lesson 4.1 - The Nervous system

      Learning Goals: By the end of this lesson you will be able to:Explain the anatomy and function of the nervous system including the central & peripheral systems, and nerve functionNELSON Text: Section 11.1 (Pg 519) & Section 11.3Tasks:Watch Nervous System Video Lesson (10:10 min) and complete Nervous System NoteWatch The Brain Video Lesson (9:26 min) and complete The Brain Note Read Section 11.1 (Pg 519) & Section 11.3 in the textbook and supplement your notes.Complete the Nerve Spacing Activity Answer Nervous Sytem Questions Submit all work to dropboxComplete the following for extra practice:Nervous System Organization QuizBrain QuizLobes of Brain Puzzle QuizBrain Anatomy Quiz

    • Lesson 4.2 - Nerves & Nerve Signals
      Lesson 4.2 - Nerves & Nerve Signals

      Lesson 4.2 - Nerves & Nerve Signals

      Learning Goals: By the end of this lesson you will be able to...describe an action potential and how it works.explain the effects of various drugs on the nervous system.Specific Expectations: NELSON Text: Section 11.1 (Pg 516-518, 520) & Section 11.2Tasks: Watch Nerves & Reflexes Video Lesson (11:08 min) and complete Nerves Cells and Reflexes Note.Watch Synaptic Transmission & Summation Video Lesson (10:22 min) and complete Synaptic Transmission and Summation Note.Watch Electrochemical Impulse: Action Potential Video Lesson (10:38 min) and complete Action Potential Note.Read Section 11.1 (Pg 516-518, 520) & Section 11.2 in the textbook and supplement your notes.Complete the following virtual labs and simulations:Virtual Reflex LabMouse Party SimulationNeuron SimulationSubmit all work to dropbox.Check answers and review as necessaryComplete the following for extra practice:Neuron Diagram QuizletNeuron LabelAction Potential Quizlet

    • Lesson 4.3 - Homeostasis & Thermoregulation
      Lesson 4.3 - Homeostasis & Thermoregulation

      Lesson 4.3 - Homeostasis & Thermoregulation

      Learning Goals: By the end of this lesson you will be able to...describe the importance of maintaining homeostasisNELSON Text: Section 9.1, Section 9.2, Section 9.3Tasks: Watch Thermoregulation: Control of Temperature Video Lesson (8:52 min) and Thermoregulation: Endotherm vs. Ectotherm Video Lesson (9:36 min) to complete Thermoregulation Note.Read Section 9.1, Section 9.2, Section 9.3 in the textbook and supplement your notes.Complete the following:Pg 435 #1-5, 7, 9, 10 in Section 9.2Thermoregulation WebSubmit all work to dropboxCheck answers and review as necessaryComplete the following for extra practice:Homeostasis QuizletFeedback Loops QuizletEndotherms and Ectotherms Quizlet

    • Lesson 4.4 - Endocrine System
      Lesson 4.4 - Endocrine System

      Lesson 4.4 - Endocrine System

      Learning Goals: By the end of this lesson you will be able to...explain how hormones help regulate various systems including blood sugar, metabolism, stress and reproductive.describe the different types of hormones and how they work.Tasks:Watch videos from Lesson 4.4 Video Page and complete the appropriate note.Read Section 10.1, Section 10.2, Section 10.3, Section 10.5, Section 10.7 in the textbook and supplement your notes.Complete the following:Pg 472 #1-4, 6, 10 in Section 10.1Endocrine System Diagram and Pituitary Hormone Chart Regulating Blood Sugar QuestionsSubmit all work to dropbox.Check answers and review as necessaryComplete Discussion Forum: Exploring the Endocrine System through TED-Ed VideosComplete the following for extra practice:Endocrine System QuizHormones QuizletEndocrine Quizlet

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