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Agenda for Tuesday, January 5, 2015 1. While You Are Waiting - #2 2. Check Your Homework 3. Passive Transport Video Clip 4. Finish Multiple Choice Justification 5. Passive and Active Transport pages 4 – 6 in the Cellular Transport packet 6. Homework: Pages 7 – 9 in your packet
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While You Are Waiting Every structure in the plasma membrane has a function. What is the function of the cholesterol in the plasma membrane?
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Check Your Homework: The cell (plasma) membrane is also known as a ___________ ________ or the ______ _________ _______ Describe the functions of the cell membrane: phospholipidbilayerfluid mosaicmodel 1.Boundary around the cell that separates the inside of the cell from the outside environment 2.Regulates the materials that enter and leave the cell
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Check Your Homework: Outside (extracellular space) Inside (intracellular space) phospholipid transport protein cholesterol cytoskeleton carbohydrate
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Check Your Homework: 1. What is the function of the transport proteins? 2. What is the function of cholesterol? 3. Name two ways in which materials move across the cell membrane To allow the movement of large particles and polar molecules into and out of the cell To make the cell membrane rigid or sturdy 1. Flows through the phospholipids 2. Moves through the transport proteins
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Passive Transport Video Clip
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Multiple Choice Justification Complete your multiple justification and turn in your packet If you have wrong answers, you will receive your packet back to make corrections When all of your answers are correct turn in your packet and begin reading page 4 of your Cell Transport packet and complete pages 5 and 6
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Homework: Pages 7 – 9 in the Cellular Transport packet Please remain in your seat until the bell rings. Thank you
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Agenda for Wednesday, January 6, 2016 1. While You Are Waiting - #3 2. Checking Homework 3. Passive Transport Video Clip 4. Teacher Directed Lesson 5. Finish Multiple Choice Justification or Pages 4 – 6 6. Homework: Pages 10-12
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While You Are Waiting What is the difference between passive transport and active transport?
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Passive Transport Video Clip
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Distinguishing between Passive Transport 1. Does not require energy input 2. Movement of materials from a high concentration to a low concentration 3. Simple diffusion, facilitated diffusion, and osmosis Active Transport 1. Requires energy input 2. Movement of materials from a low concentration to a high concentration 3. Membrane pumps, Endocytosis, Exocytosis
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Simple Diffusion
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The movement of substances down a concentration gradient from a region of high concentration to a low concentration
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Extracellular space Intracellular space Oxygen gas (O 2 ) Cell membrane
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space Cell membrane
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The diffusion of water across a selectively permeable membrane from a high concentration to a low concentration
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Extracellular space Intracellular space Water molecules Cell membrane
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space
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Extracellular space Intracellular space Why do water molecules use channel proteins and not just cross straight through the lipid bilayer?
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Assignment: Complete pages 4-6 in your packet or make corrections to your Multiple Choice Justification if you receive it back
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Homework: Pages 10-12 in your packet Please remain in your seat until the bell rings. Thank you
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Agenda for Thursday, January 7, 2016 1. While You Are Waiting - #4 (collecting today) 2. Checking and going over homework 3. Facilitated Diffusion Video Clip 4. Facilitated diffusion pages 13 and 14 5. Check your answers for pages 4-6 (classwork) 6. Homework: Pages 14 and 15
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While You Are Waiting Cells sometimes use energy in order to transport substances across the cell membrane. Indicate which process requires energy out of 1a or 1b and out of 2a or 2b and justify your answer. 1a 1b Movement of sugar molecule 2a 2b
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Check Your Homework There are two different types of molecules 14 triangles and 12 circles on the left 0 triangles and 13 circles on the right The triangles are larger The molecules move in all directions But only the circles pass through the semi-permeable membrane because they are small enough to fit through Over an extended period of time, I would expect to see very little to no change because there is almost an equal amount of circles on either side of the membrane Simple diffusion Semi-permeable membrane
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Check Your Homework 7. The two major types of biological molecules that compose the cell membrane are phospholipids and membrane-spanning proteins 8. There are three different types of proteins in Model 2 9. The surface proteins are on the tops of the phospholipids and the membrane-spanning proteins are next to the phospholipids
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Check Your Homework 10. When a carbohydrate chain is attached to a protein it is called a glycoprotein 11. When a carbohydrate chain is attached to a phospholipid it is called a glycolipid 12. Small nonpolar or small polar molecules are shown moving across the membrane
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Check Your Homework 13. These molecules are passing through the phospholipid bilayer 14. There are fewer small molecules inside the cell compared to outside the cell 15. No, the model indicates that more molecules are moving into the cell than out of the cell by the number of arrows pointing into the cell
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Check Your Homework 16. The small particles are diffusing across the membranes 17. a. Diffusion is the net movement of molecules from an area of (low/high) concentration to an area of (low/high) concentration. b. The molecules will continue to move along this (semi-permeable membrane/ concentration gradient) until they reach (diffusion/equilibrium) c. Once equilibrium is reached, molecules will continue to move across a membrane (randomly/ in one direction).
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Facilitated Diffusion Video
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Assignment: Complete pages 13 and 14 about Facilitated diffusion Stop at the stop sign When you are finished either start on your homework on pages 14 and 15 or finish your multiple choice justification and turn it in
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Homework: Pages 14 and 15 in your packet Please remain in your seat until the bell rings. Thank you
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Agenda for Friday, January 8, 2016 1. Self Assessment- (individually) 2. Active Transport Video Clip 3. Check Your Homework 4. Go over classwork 5. Self Assessment- (individually) 6. Homework: Watch You tube Osmosis Video
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Self-Assessment p.16 I will read the prompts while you check the type of type of transport that is described Do not discussion your answers with anyone We will go over the answers later
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Active Transport Video Clip
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Check Your Homework Diamond shape Membrane-spanning protein Low High
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Check Your Homework 29. The substance is being moved against (up) the concentration gradient because it is moving from a low to high concentration Low High
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Check Your Homework 30. ATP changes the shape of the protein and pushes the substance against the concentration gradient Low High
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Check Your Homework 31. After ATP binds to the protein, it becomes ADP by releasing a phosphate Low High
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Check Your Homework 32. Active transport requires energy input by the cell because it is moving materials against the concentration gradient like riding a bike up a hill or swimming against the current in a river Low High
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Facilitated Diffusion pp. 13-14 The channel protein is shown in detail The gap between the proteins is called a gated channel
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Self-Assessment p.17 Complete the Extension Questions on page 17 Do not share your answers with anyone When you are finished, remove the page from your packet and write your name, the date and period at the top of page 16 I will collect the pages when you are done
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Homework: Watch the youtube video clip of Osmosis Go to my webpage and click on the tab labeled Links to Games, Videos, and Activities Find the Osmosis link and view the video clip and take notes while viewing Please remain in your seat until the bell rings!!!
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Agenda for Monday, January 11, 2016 1. While You Are Waiting - #1 2. Osmosis Video Clip 3. Osmosis Discussion 4. Transport in Cells- pages 18-19 5. Homework: pages 20-22
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While You Are Waiting Other than examples, provide two differences between passive and active transport
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Content Objective: I will be able to compare the mechanisms that transport materials across the plasma membrane (i.e. passive transport - diffusion, osmosis, facilitated diffusion; active transport – pumps, endo/exocytosis)
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Osmosis Video Clip
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Osmosis Discussion 1. What is osmosis? 2. What type of transport is osmosis? 3. Describe what happens during osmosis. 4. Vocabulary: solute, solvent, hypertonic, hypotonic, isotonic
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Assignment: Transport in Cells - Complete Pages 18 and 19 in your packet You have 13 minutes to complete the assignment
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Homework: Pages 20-22 Please remain in your seats until the bell rings!! That includes you:
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Agenda for Tuesday, January 12, 2016 1. While You Are Waiting - #2 2. Hypo-, Hyper-, Isotonic Solutions Video Clip 3. Check homework 4. Demonstrating Passive and Active Transport 5. Homework: finish your research and be prepared to set up your demonstration tomorrow
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While You Are Waiting Most sports drinks are isotonic in relation to human body fluids. Explain why athletes should drink solutions that are isotonic to body fluids when they exercise rather than ones that are hypotonic to body fluids.
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Hypo-,Hyper-, Isotonic Video Clip
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Check Your Homework 11. a and b. Plant and animal cells have a selectively permeable membrane, but only plant cells have a permeable, rigid cell wall
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Check Your Homework 12. The thick arrow indicates the net movement of water
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Check Your Homework 13. a Cells C and F show a net increase in water
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Check Your Homework 13. b Cells A and D show a net decrease in water
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Check Your Homework 13. c Cells B and E shows no net change in water
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Check Your Homework 14. a. The concentration of the solution surrounding cells A and D is hypertonic because there is a net movement of water out of the cell
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Check Your Homework 14. b. The concentration of the solution surrounding cells C and F is hypotonic because the net movement of water is into the cell
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Check Your Homework 14. c. The concentration of the solution surrounding cells B and E is isotonic because there is no net movement of water into or out of the cell
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Check Your Homework 15. a. A hypertonic extracellular solution is a solution with less water than the intracellular solution
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Check Your Homework 15. b. A hypotonic extracellular solution is a solution with more water than the intracellular solution
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Check Your Homework 15. c. An isotonic extracellular solution is a solution with an equal amount of water as the intracellular solution
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Check Your Homework 16. a. In a hypertonic solution the plant cell remains the same shape; however, the plasma membrane has shriveled and separated from the cell wall
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Check Your Homework 16. b and c. Plasmolysed is used to summarize the changes in the plant cell and crenated is used for an animal cell
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Check Your Homework 17. a. In a hypotonic solution the plant cell remains the same shape; however, the plasma membrane is pushed against the cell wall and the central vacuole fills most of the space
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Check Your Homework 17. b and c. Turgid is the word that summarizes the changes in the plant cell and Lysed is the word used for animal cells
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Check Your Homework 18. a and b. Lysis means to burst and the cell wall prevents plant cell lysis in a hypotonic solution
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Content Objective: I will be able to compare the mechanisms that transport materials across the plasma membrane (i.e. passive transport - diffusion, osmosis, facilitated diffusion; active transport – pumps, endo/exocytosis)
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Passive and Active Transport Demonstration You will be randomly placed in a group Your group will be assigned one type of cellular transport and given items for you to use to demonstrate the transport Design a demonstration that you will share with the class regarding the assigned cellular transport type You may perform research if you are unsure of how to demonstrate the cellular transport
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Materials provided Small beakers Large beakers Graduated Cylinders Dialysis tubing Sandwich bags Iodine solution Food coloring Benedict’s solution red dye Microscopes Microscope slides/cover slips Solute in water *Salt solution *Glucose solution *Starch solution *Yeast
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Passive and Active Transport Demonstration 1. Group 1 solute - 2. Group 2 solute - 3. Group 3 solute - 4. Group 4 solute - 5. Group 5 solute - 6. Group 6 solute - 7. Group 7 solute -
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Homework: Finish your research so that you can perform your demonstration tomorrow Please remain in your seat until the bell rings. Thank you
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Agenda for Wednesday, January 13, 2016 1. While You Are Waiting - #3 2. Osmosis Video Clip 3. Cellular Transport Demonstrations 4. Homework: Page 23
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While You Are Waiting What type of solution is in the beaker compared to the red blood cell hypertonic, hypotonic, or isotonic? Explain 75%H 2 O 65%H 2 O
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Osmosis Video Clip
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Cellular Transport Demonstrations Determine the demonstration that your group will set up Find the materials that are needed for your demonstration Set up demonstration and write up a caption describing the demonstration Each group will rotate from one demonstration to another writing observing and writing down the descriptions
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Cellular Transport Demonstrations Clean up Bring glassware to the teacher to clean and you will dry and put it back in the proper location Clean up your area and return all other materials to their proper location
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Cellular Transport Demonstrations Each group will rotate from one location to the next and write down descriptions of what you see You will have 2 minutes at each station You will return to your original location and write down the type of transport and the type of solution in the bag (cell) and in the beaker Turn in your paper at the end of class
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Homework: Page 23 of the packet Please remain seated until the bell rings. Thank you
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Agenda for Thursday, January 14, 2016 1. While You Are Waiting - #4 2. Course Selection 3. Go over homework 4. Cellular Transport Problems 5. Homework: Page 31
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While You Are Waiting A student put together the experimental setup below. The selectively permeable membrane is permeable to water, but not the solute. Describe the movement of water overtime.
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Course Selection: Science To graduate students must complete either 3 science credits and 4 math credits 4 science credits and 3 math credits I recommend that all students take chemistry in high school. Recommendations for Chemistry and Physics depend on your math level.
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Selected Topics in Biology Level: 4.0 Grade: 11 Periods/Cycle: 6 (This course is only 1 semester) DO NOT SAY YOU WANT TO BE IN THIS COURSE!! Course Description: If you do not pass the Biology Keystone exam in May you will be placed in this course. This course will reteach the main topics from Biology and you will have to retake the Keystone at the end of the course.
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Applied Chemistry 3714 Level: 4.0 Grades: mostly 11 Periods/Cycle: 7 Prerequisites: Intended for students enrolling in Alg2C Course Description: Students learn about the periodic table, chemical reactions, molarity, thermochemistry, etc. Math is the most important factor in determining how successful you will be in chemistry.
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Intro to Chemistry 3114 Level: 4.0 Grades: mostly 11 Periods/Cycle: 7 Prerequisites: Intended for students enrolling in Alg2E 5.0 Course Description: Students learn about the periodic table, chemical reactions, molarity, thermochemistry, etc. Math is the most important factor in determining how successful you will be in chemistry.
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Chemistry 3115 Level: 5.0 Grades: mostly 11 Periods/Cycle: 7 Prerequisites: Must be taking Algebra 2 5.0 or 6.0 concurrently Course Description: Students learn about the periodic table, chemical reactions, molarity, thermochemistry, etc. Math is the most important factor in determining how successful you will be in chemistry.
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Chemistry 3116 Level: 6.0 Grades: mostly 11 Periods/Cycle: 7 Prerequisites: B or higher in previous science class B or higher in Algebra 2 5.0 classes It is strongly advised that students enrolled in 6.0 chemistry also be in 6.0 math. Course Description: Students learn about the periodic table, chemical reactions, molarity, thermochemistry, etc. Math is the most important factor in determining how successful you will be in chemistry.
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Genetics 3845 Level: 5.0 Grades: 11 and 12 Periods/Cycle: 6 This is a semester course! Prerequisites: B or higher in biology 5.0 C or higher in biology 6.0 Course Description: A more in depth look at DNA, Mendelian genetics, diseases, mitosis and meiosis, genetic engineering, etc. Students will be required to make a pedigree of their own family tree. Graduation Project offered
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Botany 3824/3825 Level: 4.0 or 5.0 Grades: 11 and 12 Periods/Cycle: 6 This is a semester course! Prerequisites: Pass Biology Course Description: Topics include, hydroponics, plant structure and function, diversity, evolution, photosynthesis, ecology and reproduction. Students will be required to work in the greenhouse and grow plants. Graduation Project Offered
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Marine Science 3834/3835 Level: 4.0 or 5.0 Grades: 11 and 12 Periods/Cycle: 6 This is a semester course! Prerequisites: Pass Biology Course Description: Students will learn about the chemical and physical properties of water, ecology, and animal adaptations for ocean survival. Students will have to dissect fish. There is a field trip to the adventure aquarium. Graduation Project Offered
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Meteorology 3874/3875 Level: 4.0 or 5.0 Grades: 11 and 12 Periods/Cycle: 6 This is a semester course! Prerequisites: Pass Geometry or taking it concurrently Course Description: Students will learn about the weather, including weather fronts, clouds, storms and precipitation. Student will use current weather maps to make predictions.
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Homework: (p.23) Periods 4, 5, 6 and 7 Check my webpage for the answers to the homework
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Cellular Transport Problems Over the next two days, you will complete the Transport problems on pages 25-29
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Homework: Page __ # Please remain in your seat until the bell rings
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Agenda for Friday, January 15, 2016 1. While You Are Waiting - #5 (collecting today) 2. Cellular Transport Video Clip 3. Check Your Homework 4. Cellular Transport Problems 5. Homework: Pages 31 and 32
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While You Are Waiting What will happen to the red blood cell after equilibrium is reached? Circle one: gain water/expand, lose water/shrivel, stay the same 75%H 2 O 65%H 2 O
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Cellular Transport Video Clip
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Check Your Homework
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Cellular Transport Problems Finish the Cellular Transport Problems on pages 26, 28, and 29
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Homework: Pages 31 and 32 Please remain in your seat until the bell rings. Thank you HAVE A GREAT WEEKEND!!!
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Agenda for Tuesday, January 19, 2016 1. Checking Homework/ question session 2. Quiz: Cellular Transport 3. Midterm Review 4. Homework: Midterm Review
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