Cells Structure and Function Cell Theory All living things are made of cells. All cells come from preexisting cells. The cell is the basic unit of organization in living things. Two Types of Cells Prokaryote Cells that lack internal structures surrounded by membranes. Cells with no defined nucleus. The DNA is a circular strand. Eukaryote Cells with organelles surrounded by membranes. Animal Cells k This is what your animal cells should have looked like! Can you identify any parts? Plant Cells This is what your plant cells should have looked like. What are the green structures? Flip book of cell Organelles Title Page: Parts of a cell First Flap: Boundaries Second Flap: Support and Locomotion Third Flap: Energy Fourth Flap: Assembly & Transport Fifth Flap: Storage Sixth Flap: Control Parts of a cell: Boundries Divide this page into two sections Cell Membrane Selectively permeable Controls what enters and leaves the cell. Maintains chemical balance. Defines the boundary of the cell. Both plant and animal cells Cell Wall Gives a firm structure to plant cells. Made mainly of cellulose. Plant Cells ONLY Divide this page into two sections Cytoplasm Jelly-like substance that supports the organelles. Many chemical reactions take place in the cytoplasm. Cytoskeleton Support Scaffolding in the cytoplasm Microtubules & Microfilaments Divide this page into two sections Chloroplast Contain pigments that absorb energy needed to run photosynthesis. Found in plants and some protozoans. PLANT CELLS ONLY! Mitochondria Produces energy for the cell through cellular respiration Plant and Animal Cells! Divide this page into two sections Endoplasmic reticulum System of passages that transport substances around the cell. Two types: smooth rough (has ribosomes) Ribosomes Protein synthesis Storage & Digestion Divide this page into three sections Vacuoles Membrane bound containers for storage and transport of substances in the cell. Lysosome Vacuole that contains digestive enzymes. Cleaner-upper Animal Cells ONLY!! Golgi Apparatus Membrane sacks that store newly produced proteins. Like a post office: packages proteins and prepares for shipment This page will have one drawing in the middle with four sections surrounding it. Nucleus Control center for the cell. Contains the information for all cell activities. Has a double, selectively permeable membrane. Nucleolus Produces ribosomes Chromatin Long strands of DNA that hold the directions for all cell activity. Centrioles Involved in cell division