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Wednesday 10/23 -Get notebooks SMART START – on page 24 Draw and fill in diagrams using word bank Word Bank: Cells Organs Organ Systems Organism Tissues Let’s define those words! (pg. 22) 1. Molecule A particle made up of atoms. 2. Organelles Structures that carry out life functions in cells 3. Cells Basic unit of life 4. Tissues Groups of cells with the same function 5. Organs A collection of different tissues that carry out life functions 6. Organ Systems Several organs working together. 7. Organisms A living thing. Building Bodies Unit Cells – Cell Types Today’s Objectives Compare and contrast eukaryotic and prokaryotic cells. How we are going to do this? Get into pairs One person reads about prokaryotic cells the other person reads about eukaryotic cells. As you read fill in the appropriate column on your t-chart Get back together with your partner and teach her/him what you learned. Listen to your partner’s lesson and fill out the other side of your t-chart. Article & t-chart directions: Read and discuss the short article with your small group. Please don’t write on it! As you read record the following information in the t-chart Definition Nucleus? Size of the cell Location of the DNA Examples Thursday 10/24 Get your notebook. Take out the T-Chart from yesterday Glue it to page 25 Fold it in half first If you owe me anything and MANY of you do you need to stay for enrichment today, tomorrow, and/or Monday! Comparing & Contrasting Eukaryotic Prokaryotic Tuesday 11/5 Take out your interim so we can finish going over it. Thank you. Wednesday 11/6 Get your notebook. Please update your table of contents ◦ 11. Cell Types: Eukaryotic v. Prokaryotic ◦ 12. Cell Theory & Cell Parts ◦ 13. Animal Cells v. Plants Cells On page 26 Record today’s objectives: State the Cell Theory Explain how organelles function to maintain homeostasis Cell Structure & Function http://koning.ecsu.ctstateu.edu/cell/cell.html Cell Theory All living things are made up of cells. Cells are the smallest working units of all living things. All cells come from preexisting cells through cell division. What is a Cell? A cell is the smallest unit that is capable of performing life functions. What are the two types of cells? Plant Cells ◦ ◦ ◦ ◦ Rectangular in shape Contain chloroplasts, cell wall, large vacuole Found only in plants Carry out photosynthesis Animal Cells ◦ Rounded in shape ◦ Do not contain chloroplasts, cell wall, large vacuole ◦ Found only in animals Examples of Cells Amoeba proteus Plant Bacteria Red Blood Cell Nerve Cell Cell Parts Organelles Surrounding the Cell… (2 Parts) Cell Membrane Outer membrane of cell that controls movement in and out of the cell Double layer- made of lipids (and protein) http://library.thinkquest.org/12413/structures.html Cell Wall Most commonly found in plant cells & bacteria Supports & protects cells http://library.thinkquest.org/12413/structures.html Inside the Cell… (6 parts) Nucleus Directs cell activities ◦ Regulation! Holds DNA Separated from cytoplasm by nuclear membrane Cytoplasm Gel-like mixture Surrounded by cell membrane Contains dissolved food and oxygen Ribosomes Make proteins (Synthesis!) Found on Rough ER & floating throughout the cell ◦ Cells contain thousands Mitochondria The “Powerhouse” Produces energy through chemical reactions – breaking down carbohydrates ◦ This is Respiration! http://library.thinkquest.org/12413/structures.html Vacuoles Sacs for the storage of food water, and waste removal Contains water solution ◦ Help plants maintain shape http://library.thinkquest.org/12413/structures.html Chloroplast Usually found in plant cells Contains green chlorophyll Where photosynthesis takes place http://library.thinkquest.org/12413/structures.html Endoplasmic Reticulum Network of membranes found throughout the cell Assists with the packing and manufacturing of proteins Golgi Apparatus Gathers simple molecules and combines them together to make more complex molecules. Helps the Endoplasmic Reticulum manufacture and package proteins. Fundamentals Do Now 1/4/16 What do you remember about cells?