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Types of Cells
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Cell Functions
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Microscopes and Old Guys and stuff
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Levels of Organization
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Cell Organelles
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Cell Boundaries
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$100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 Types of Cells Cell Functions Microscopes and Old Guys and Stuff Levels of Organization Parts of a Cell Cell Boundaries
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Cells without membrane bound organelles
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What are prokaryotes ?
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Cells with vacuoles, cell walls, and chloroplasts
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What are plant cells?
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Cells with a nucleus
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What are eukaryotes?
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Cells with >2000 mitochondria
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What are muscle cells?
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Very large cells that have high SA:Vol ratio that receive and transmit impulses
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What is a nerve cell?
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Makes ATP for use in cell
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What is a mitochondrion?
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Stores DNA
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What is the nucleus?
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Where ribosomes are made
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What is the nucleolus?
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Protein synthesis occurs here
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What is a ribosome?
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Makes proteins for export from the cell
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What is the Rough ER?
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The first scientist to view cork under a microscope and coin the term cells.
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Who is Robert Hooke?
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The two German scientists who observed that plant and animals were made up of cells
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Who are Schleiden and Schwann?
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1)All living things are composed of cells. 2)Cells are basic units of structure and function 3)New cells are produced from existing cells
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What is the cell theory?
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Type of instrument used to scan the surface of specimens 1000x smaller than can be see by a light microscope
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What is a SEM (scanning electron microscope)?
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The theory that proposes chloroplast and mitochondria were once free- living cells
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What is the endosymbiont theory?
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A single-celled organism
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What is unicellular?
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Organism made up of many types of cells
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What is multicellular ?
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The development of cells that perform specific jobs in multicellular organisms
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What cell specialization ?
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Similar cells grouped into units (2 nd level)
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What are tissues?
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A group of organs that work together to perform a specific function (4 th level)
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What is an organ system?
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What is a Golgi body/apparatus ?
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What is a mitochondria?
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What is the rough endoplasmic reticulum?
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Organelle located inside the nucleus
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What is the nucleolus?
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ribosomes leave the nucleus through these
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What are nuclear pores?
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Outer layer of plant cells made of tough fibers that provide structure and protection
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What is cell wall?
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The term given to the cell membrane: meaning specific molecules to enter and exit
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What is selectively permeable?
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Organic molecule with a hydrophilic head & two hydrophobic tails that makes up the majority of the cell membrane
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What is a phospholipid?
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Solution that has a higher solute concentration than the cell
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What hypertonic?
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Bulk transport in which large particles are engulfed by the cell
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What is endocytosis (phagocytosi s)?
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