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  • 1. Name:_________________________ Date:____________ Living Environment Rabbi Goldberg The Microscope and cell I. The Cell Theory a. There are three main statements that are true about the cell i. Cell basic unit of function of living things ii. Cell is the basic unit of structure for living things iii. All cells come from preexisting cells II. How did we come up with the cell theory? Anton van Leeuwenhoek Robert Hooke Robert Brown a. b. – discovered one cell organism using a 1 lens microscope bert Hook i. Used a two lens microscope to look ________________________________________________ ii. The empty cork cell led him to ________________________ iii. And name ____________________________ - CELL c. Robert Brown i. Discovered the __________________________________ III. The organelles a. With the help of powerful microscopes Scientist discovered that every cell where made up of many small structures each has a special function i. These structures are called ______________________. b. Plasma Membrane i. Is the outer membrane of the cell
  • 2. ii. It controls what goes in and out of the cell iii. Selective permeable ( allows in what t wants and keeps out what it does not want) c. Cytoplasm i. Is the ___________________________________ that keeps all the ____________________________ ii. Diffusion and many Biochemical processes occur 1. Diffusion a. _____________________________________ _____________________________________ _____________________________________ d. Nucleus i. Is also called the _________________ of the cell ii. It controls _______________________________ iii. And contains all __________________________ e. Nucleolus i. Found inside the _________________________ ii. Is like a factory worker iii. It makes _______________ which make ______________ f. Endoplasmic reticulum i. Is like the NYC subway system ii. A series of connecting channels associated with 1. ____________________ 2. _____________________ 3. ______________________ g. Ribosome
  • 3. i. Is the place where _______________________ are ___________________. ii. They are either free or ______________________________ h. Mitochondria i. Is the “________________” of the cell ii. This is where _________________ takes place iii. And where ATP is made i. Golgi Complex i. A group of ________________________________ sacs ii. They _______________, ____________, ______________ cellular products j. Lysosome i. “ digestive system’ of the cell ii. When fused with food vacuoles helps with the ___________________________________________ k. Vacoule i. A space in a cell surrounded by a membrane used for _________________________________. l. Centrioles i. Most commonly found in _______________________ very rarely in ________________________________. ii. Used during cell division m. Chloroplasts i. Primarly found in _______________________________ and _________________ cells ii. Contains the pigmwnt 1. pigment- ________________________________ iii. Also is responsible for photosynthesis n. Cell Wall i. Found in __________________________
  • 4. 1. _____________, _______________, & _____________ plant cells IV. The exceptions to the cell theory a. The very _____________________________________________________ _____________________________________________________ _____________________________________________________ b. Viruses i. ________________________________________________ ________________________________________________ ________________________________________________ c. _____________________________________________________ _____________________________________________________ _____________________________________________________