Abigail Adams, 1780 (in a letter to son, John Quincy Adams) 11/14/2018 Title: Biology 10/25/06 Objectives: To learn about cells and their organelles Class Topics Hand in Why don’t cells grow indefinitely? before the bell rings. Notes - Organelles "Learning is not attained by chance, it must be sought for with ardor and attented to with diligence." Abigail Adams, 1780 (in a letter to son, John Quincy Adams) Wednesday, November 14, 2018 12:12 PM
Class Assignments Lab – Why don’t cells grow indefinitely? 10/25/06 11/14/2018 Class Assignments What By When Lab – Why don’t cells grow indefinitely? 10/25/06 Chapter 3 Quiz 2 (BIG QUIZ!) 10/27/06 Due this class period Due next class period Due in the future
Grade Sheet 1A – SR p. 61 - 5 pts Measurement W.S. – 10 pts 11/14/2018 Grade Sheet 1A – SR p. 61 - 5 pts Measurement W.S. – 10 pts 3A SR p. 42 – 6 pts 4A – SR p. 47 – 5 pts 2A – Measurement W.S. – 10 pts
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Endoplasmic Reticulum 11/14/2018 Endoplasmic Reticulum
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11/14/2018 Golgi Apparatus Used to package chemicals (lipids and proteins) for export Named after Camillo Golgi Produces vesicles filled with protein Packaging and distributing products Shipping department
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Mitochondria Powerhouse of the cell Changes glucose to ATP (energy) 11/14/2018 Mitochondria Powerhouse of the cell Changes glucose to ATP (energy) cell respiration Power plant
Mitochondrial DNA Very similar to prokaryotic DNA 11/14/2018 Mitochondrial DNA Very similar to prokaryotic DNA Used to make their own proteins Also found in chloroplasts Endosymbiont hypothesis (further investigation)
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Janitor and/or security 11/14/2018 Lysosomes Vesicle of enzymes Come from Golgi Garbage can of the cell Digestive enzymes to break down old organelles and invading bacteria and viruses Mostly in animal cells Janitor and/or security
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11/14/2018 Centrioles Found in animal cells Used in mitosis
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Plastids Chloroplasts Chromoplasts 11/14/2018 Plastids Chloroplasts Filled with chlorophyll (green pigment) Used to trap light energy from light used in photosynthesis to form glucose Chromoplasts filled with other pigments xanthophyll, carotene, anthocynin Same purpose as chloroplasts Solar Panel
Vacuole Found mainly in plants 11/14/2018 Vacuole Found mainly in plants Used to store waste, water and nutrients Fluid filled area or cavity Warehouse
Cell Wall Plants, bacteria and fungus Used for support 11/14/2018 Cell Wall Plants, bacteria and fungus Used for support Plants cell wall is made of cellulose and lignin Factory wall
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Plant vs. Animal Cells Plants Animals plastids Cell Wall Lysosomes 11/14/2018 Plant vs. Animal Cells Plants plastids Cell Wall Large central vacuole Animals Lysosomes Centrioles
11/14/2018 1. Function 2. Prokaryotic, Eukaryotic or both 3. Plant, Animal or both 4. Labeling Nucleus Nucleolus Golgi Apparatus Mitochondrion Chloroplast/chromoplast Ribosomes Lysosomes Smooth Endoplasmic Reticulum Rough Endoplasmic Reticulum Cytoskeleton Vacuole Cell membrane Cytoplasm Centriole Cell Wall
Chapter 3 Quiz 2 Review not taken until 10/26 or 10/27 11/14/2018 Chapter 3 Quiz 2 Review not taken until 10/26 or 10/27 Organelle functions (matching) Organelle identification (labeling) Organelles Prokaryote, Eukaryote or both Plant, animal or both Cell membrane – picture identification Multiple choice from previous notes Prokaryotic, eukaryotic, cell membrane, membrane proteins, all cells have…
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Protein Production 1. Nucleus 2. Ribosomes (RER) 11/14/2018 Protein Production 1. Nucleus DNA forms mRNA 2. Ribosomes (RER) mRNA is used to form protein 3. vesicle from RER to Golgi 4. Golgi Packaged for shipping 5. vesicle to cell membrane for release