Abigail Adams, 1780 (in a letter to son, John Quincy Adams) 9/14/2019 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) Saturday, September 14, 2019 10:04 PM

Class Assignments Lab – Why don’t cells grow indefinitely? 10/25/06 9/14/2019 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 9/14/2019 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

Mitochondria Powerhouse of the cell Changes glucose to ATP (energy) 9/14/2019 Mitochondria Powerhouse of the cell Changes glucose to ATP (energy) cell respiration Power plant

Mitochondrial DNA Very similar to prokaryotic DNA 9/14/2019 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 9/14/2019 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

9/14/2019 Centrioles Found in animal cells Used in mitosis

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Plastids Chloroplasts Chromoplasts 9/14/2019 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 9/14/2019 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 9/14/2019 Cell Wall Plants, bacteria and fungus Used for support Plants cell wall is made of cellulose and lignin Factory wall

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9/14/2019 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 9/14/2019 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) 9/14/2019 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