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Title: Biology 10/12/06 Objectives: Class Topics
11/23/2018 Title: Biology 10/12/06 Objectives: To learn about microscopes and scientists that discovered cells and cell parts. Class Topics Hand in W.S. “Structure and Function of Cells” before the bell rings. Review Microscope lab Microscope quiz Notes: Cells Surface Area:Volume Eukaryotic, prokaryotic, cell parts “Obstacles are those frightful things you see when you take your eyes off your goal.” Henry Ford Friday, November 23, :11 PM
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Class Assignments Microscope quiz 10/12/06
11/23/2018 Class Assignments What By When Microscope quiz 10/12/06 W.S. “Structure and Function of Cells” 10/12/06 Chapter 3 Quiz 1 10/16/06 Read /16/06 W.S. 3.2 (DR/Quiz) 10/16/06 Due this class period Due next class period Due in the future
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11/23/2018 1A & 4B Grade Sheet
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11/23/2018 2A Grade Sheet
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11/23/2018 3A Grade Sheet
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11/23/2018 4A Grade Sheet
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Postquiz Activities Hand in quiz Pick up W.S. 3.2 from the lab stool
11/23/2018 Postquiz Activities Hand in quiz Pick up W.S. 3.2 from the lab stool Choose from the following: Read 55-61 Correct homework Work on W.S. 3.2
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Cell Theory All living things are composed of one or more cells.
11/23/2018 Cell Theory All living things are composed of one or more cells. Cells are the basic units of structure and function in living things. All cells come from preexisting cells.
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11/23/2018 Cell Size Math lab – p. 56 Most organisms have many small cells rather than fewer large ones Why? Surface area-to-volume ratio 6:1 good 3:1 very large for cells Any lower than this is very dangerous Allows transfer of materials in and out of cell easily Cell size = small, SA:Vol = high Cell size = large, SA:Vol = low
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11/23/2018
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Chapter 3 Quiz 1 Review List the cell theory Matching Short answer
11/23/2018 Chapter 3 Quiz 1 Review List the cell theory Matching Scientists: Hooke, van Leeuwenhoek, Schleiden, Schwann, Virchow Short answer Microscopes Differences – electron microscopes Advantages/disadvantages… Image produced by… Long answer Surface area:volume
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All cells have… Cell membrane – around outside
11/23/2018 All cells have… Cell membrane – around outside Cytoplasm – fluid of cell Cytoskeleton – structure of cell Ribosomes – make protein DNA – used to make protein Some lose these after time due to specialization
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Prokaryotes Bacteria Single-celled organism
11/23/2018 Prokaryotes Bacteria Single-celled organism Lacks nucleus and membrane bound organelles* DNA in a circular loop Not chromosomes Cell wall *An organelle is a structure within a cell that performs a specific function
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11/23/2018 Eukaryote Organism that has cells with nuclei and internal compartments (membrane bound organelles) ex. animals, fungi, plants, protists Internal membranes connect organelles Vesicles Small cavity to move materials around cell
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