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Download TVMS 7th Grade Science, Guided Notes: CELLS Name: Period: __
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TVMS 7th Grade Science, Guided Notes: CELLS Name: ________________________________ Period: __ Six characteristics of living things are: ______________________________________________ _____________________________________________ ______________________________________________ _____________________________________________ ______________________________________________ _____________________________________________ Organisms produce offspring that are similar to ___________________________________________________________ Spontaneous Generation =____________________________________________________________________________ __________________________________________________________________________________________________ Two scientists whose experiments disprove spontaneous generation are: _____________________________________________ and ______________________________________________ Needs of Living Things: ______________________________________________ _____________________________________________ ______________________________________________ _____________________________________________ Organisms use food as source of energy Make their own food: Cannot make their own food: ______________________________________________ _____________________________________________ Cell Theory All ____________________________ are made of____________________ Cells are ______________________________ All cells come from ______________________________ ______________________________ Of all living things. Through _______________________ Cell = _____________________________________________________________________________________________ __________________________________________________________________________________________________ Two Types of Cells are ____________________________________ and ______________________________________ Prokaryotic Cells Are one-celled organisms called: Do not have ____________________ Few __________________________ ______________________________ _______________________________ ______________________________ _______________________________ 1 Eukaryotic Cells Contain___________________________________ Include most ____________________________________ surrounded by _____________________________ (plants and animals) ________________________________________ : Outer membrane that controls movement in and out of the cell; has a double layer. ________________________________________ : Most commonly found in plant cells & bacteria; supports & protects cells. Movement Across the Cell/Plasma Membrane A few molecules move freely: Carrier proteins _____________________________ some molecules: - proteins embedded in lipid bilayer - fluid mosaic model – describes fluid nature of a lipid bilayer with proteins _______________________ _______________________ _______________________ _______________________ Membrane Proteins 1. Channels or transporters - __________________________________________________________________________ 2. Receptors - ______________________________________________________________________________________ 3. Glycoproteins - ___________________________________________________________________________________ 4. Enzymes - _______________________________________________________________________________________ Cell Walls Found in Surrounds Nucleus Directs Contains 2 Nuclear Membrane/Envelope Chromosomes Nucleolus Cytoplasm Endoplasmic reticulum Ribosomes Mitochondrium, mitochondria (pl.) have their own _________ 3 Golgi Bodies Lysosomes Functions: contain ________________________________________ Vacuoles contents: More common in ________________ than ________________________ Chloroplast Photosynthesis Levels of Organization 1. A _______________ 6. T _______________________________ 2. M _______________________________ 7. O _______________________________ 3. M _______________________________ 8. S _______________________________ 4. O _______________________________ 9. O _______________________________ 5. C _______________ 4
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