Cell Structure and Function White Blood Cells Red Blood Cells Cell Basics Answer the following the best you can. 1) What is a cell? Give an example. 2) Draw a cell and label its parts Cell Basics Smallest Unit of Living Things
Organisms can be Unicellular Amoeba: a unicellular organism only one cell Multicellular made of many cells
Lion: a multicellular organism Cell Basics Cells can be Prokaryotic E.coli: Prokaryotic organism
Unicellular No Nucleus (simple) Example: Bacteria Eukaryotic Uni or Multicellular Has a nucleus (complex) Example: Lion Tree: Eukaryotic
organism Cell Discovery Leeuwenhoek Hooke Invented the microscope Early Naturalist Named cells From looking at cork
Made first drawings of creatures in pond water Cell Theory Schleiden All organisms are made of one or more cells
Cells are the basic units of structure and function in all living things Schwann All cells come from already existing cells Virchow Cell Size Animal Cell
Eukaryotic Cells Multicellular Contains cell parts Called organelles Parts of the Cell Cell membrane
Outer boundary of cell Allows only certain materials to pass through (semipermeable) Flexible Made of a double layer of fats with proteins scattered throughout Parts of the Cell Cytoplasm
Gel-like material inside the cell membrane and outside the nucleus Contains water and chemicals Where processes of the cell take place Constantly moving Parts of the Cell
Nucleus Directs cell activities Includes: DNA/Chromatin (info to make a new cell) Nuclear Membrane (outside of Nucleus)
Nucleolus (makes RNA) Nucleoplasm (inside of nucleus) Parts of the Cell Mitochondria
Powerhouse of the cell Where sugar is broken down and energy is released Muscle cells have large amounts of mitochondria Parts of the Cell Endoplasmic Reticulum (ER)
Folded Membrane Located near nucleus Moves materials around in the cell Where proteins are made Where ribosomes are located
Parts of the Cell Ribosome Where proteins are made Located on the ER Can also be freefloating Parts of the Cell Golgi Bodies
Stacks of membrane sacs Package and move proteins and fats to the outside of the cell Parts of the Cell Lysosome Contains chemicals
that digest wastes and worn-out cell parts Break down food Parts of a Cell Vacuole Used to store water, food, and other materials Multiple small vacuoles in animals cells One large vacuole in plant cells
Plant Cell Plant cells have specialized structures that allow them to function Cell Wall Chloroplast Chlorophyll Plant Cell
Cell Wall Rigid outside of a plant cell Outside of the cell membrane Provides support for the plant Made of cellulose Plant Cell
Chloroplast Where sugar is made Light energy, with water and carbon dioxide is converted into sugar and oxygen Contains chlorophyll
Traps the sun light Plant vs. Animal Cell Plant cells have: Cell wall Chloroplast One vacuole Animal cells have: Many small vacuoles Cell Organization Organism
Organ System Organ Tissue Cell Organelle Biomolecule Element Atom
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