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Objective: You will be able to give the function of each cell organelle.
Do Now:• Read, “Nucleus” on p. 176
• What is chromatin made of?
Objective: You will be able to describe the functions of cell organelles.
Do Now:• Read the sections on the mitochondria and
chloroplasts on p. 179 and 180
• Write down their functions as it appears in the textbook
Write this statement down
The mitochondria is a site to see
It has lots of energy
Group Roles
• Leader: Keeps group on task
• Recorder: Keeps a written record of groups work
• Reporter: Presents group’s work to class
• Noise monitor: Keeps groups voices manageable
Group Work
• Your group will create a rap verse for each cell organelle
• Start by writing down the organelle’s name and function– Try to find words that rhyme with the name or
function
• The best raps will be sent to Snoopy dog to be put on his next album
Objective: You will be able to differentiate between plant and animal cells.
Do Now:• View the Diagram of the cells on p. 175
• What structures do plant cells have that animal cells don’t have?
Plant Cell
Nuclearenvelope
Ribosome(attached)
Ribosome(free)
Smooth endoplasmicreticulum
Nucleus
Rough endoplasmic reticulum
Nucleolus
Golgi apparatus
Mitochondrion
Cell wall
CellMembrane
Chloroplast
Vacuole
Section 7-2
Figure 7-5 Plant and Animal Cells
Animal Cell
Centrioles
NucleolusNucleus
Nuclearenvelope
Rough endoplasmic reticulum
Golgi apparatus
Smooth endoplasmicreticulum
Mitochondrion
CellMembrane
Ribosome(free)
Ribosome(attached)
Section 7-2
Figure 7-5 Plant and Animal Cells
Differences Between Animal and Plant Cells
• Animal cells are round and plant cells are rectangular
• Animal cells have lysosomes and centrioles
• Animal cells have small vacuoles and plant cells have one large vacuole
• Plant cells have chloroplasts and a cell wall
Cork Cells
Human Cheek Cells
Onion Cells Nucleus
Nucleolus
Elodea Cell
Blood Cells
Objective: You will be able to describe the structure of the cell membrane.
Do Now:• Read “Cell Membrane” on p. 182
• What is the function of the carbohydrates on the cell membrane?
Outsideof cell
Insideof cell(cytoplasm)
Cellmembrane
Proteins
Proteinchannel Lipid bilayer
Carbohydratechains
Section 7-3
Figure 7-12 The Structure of the Cell Membrane
Fluid-Mosaic Model
• Describes the structure of the membrane
• Lipid Bilayer
• Proteins used for:– Transporting materials– Receptors
• Contains carbohydrates
Molecule tobe carried
Moleculebeing carried
Energy
Section 7-3
Figure 7-19 Active Transport
Figure 8.17 An electrogenic pump
Figure 8.15 The sodium-potassium pump: a specific case of active transport
Receptor
Paired Work
• You and a partner will build your own cell membrane
• Use 5 straw pieces, marshmallows, toothpicks and your textbook
• Build the membrane on computer paper
• You MUST name and give the FUNCTION each part
Objective: You will be able to define
diffusion and osmosis.
Do Now:
• Read “Diffusion” on p. 184
• Define equilibrium
Figure 8.10 The diffusion of solutes across membranes
Figure 8.11 Osmosis
Section 7-3
Figure 7-15 Osmosis
Is this osmosis?
Objective: You will be able to differentiate between passive and active transport.
Do Now:
Read “Active Transport” on p. 188
How is active transport different than diffusion?
Molecule tobe carried
Moleculebeing carried
Energy
Section 7-3
Figure 7-19 Active Transport
Figure 8.17 An electrogenic pump
Figure 8.15 The sodium-potassium pump: a specific case of active transport
Figure 8.19 The three types of endocytosis in animal cells
Muscle cell Smooth muscle tissue Stomach Digestive system
Section 7-4
Levels of Organization
Red onion cells