Monday, February 4th *Pick up notebooks on back table *No late work accepted unless absent last week Agenda: Review Chemistry Final Warm Up Introduction to Cells
Today's Objectives: 1. Review macromolecules 2. Connect macromolecules to our study of cells 3. Visualize the Inner Life of Cells!
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Warm Up: Describe the relationship between biochemical macromolecules and cells?
Wednesday, February 6th Business: What are you going to do with your clean slate? Agenda: Warm Up Cells in Perspective Cell Theory Egg-cellent Lab, pun intended! Cell Organelle Presentations
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Warm Up: List as many parts of a cell as you can remember. What are their functions?
Key Ideas: Inside living cells there is constant activity. A cell has many parts that work together to accomplish the functions of life. Each part of a cell consists of many molecules that cooperate to accomplish needed functions. Molecules in eukaryotic cells are organized into tiny organelles that perform specialized functions inside of the cell.
A group of the same type of cells that funcon together is know as…
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an ORGAN
an ORGAN SYSTEM
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Organ systems working together form an...
Organism!
http://www.youtube.com/watch?v=4OpBylwH9DU
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Movement of substances into and out of the cell: Diffusion: the movement of substances from areas of high concentration to low concentration. Osmosis: diffusion of water across a selectively permeable membrane. Facilitated Diffusion: diffusion of larger substances through a protein carrier.
Eggcellent Lab: an egg is an analogy for a cell Objective: use an egg to understand the processes of diffusion and osmosis
CELL: 1. membranes 2. nucleus 3. cytoplasm 4. DNA
EGG: 1. membranes 2. air cell 3. shell 4. albumin 5. yolk 6. chalaza
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Day 1: 1. Measure the outside circumference of the egg. 2. Record measurements in your notebook . 3. Carefully put the egg into the jar (if there are any cracks you must use another egg.) 4. Cover the egg with white vinegar.
Date
Circumference (cm)
Observations
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WarmUp: Based on your notes from the last class, which of the diagrams below shows osmosis and which shows diffusion? describe one way the processes are the same and different...
Eggcellent Lab: Day 2 1. Pour vinegar off of the egg 2. Handle your egg very gently!! 3. Record the physical changes in your egg color, texture, etc. 4. What do you think happened to the shell? record your thoughts 5. Remeasure the circumference of your egg 6. Record your data in your science notebook 7. Recover your egg with syrup
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What happened to the shell? CaCO3 + CH3COOH > CO2 + H2O + Ca(CH3COO)2 Shell + Vinegar > Calcium Acetate
How did your egg change? What explains this change?
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Organelle
Structure(What is Function(What Location(Where Found in Plant, its shape? What is its role in the is it found in the Animal, or does it look cell?) cell?) Both? like?)
Cell Membrane Cell Wall Nucleus Ribosomes Rough ER Smooth ER Golgi Apparatus Lysosomes Vesicle Central Vacuole Peroxisome Mitochondria Chloroplast
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Assignment: In your groups, create a 4-slide (minimum) Educreations presentation to answer all of the questions about your organelle.
Organelle
Structure Function (What is its (What is its shape? What role in the does it look cell?) like?)
Location (Where is it found in the cell?)
Found in Plant, Animal, or Both?
Cell Membrane Cell Wall Nucleus Ribosomes Rough ER Smooth ER Golgi Apparatus Lysosomes Vesicle Central Vacuole Peroxisome Mitochondri a Chloroplast
permeable membrane. Facilitated Diffusion: diffusion of larger substances through a protein carrier. Eggcellent Lab: an egg is an analogy for a cell. Objective: ...
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