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Cells and their Organelles How do cells communicate with each other? By cell phone! What are Cells? • Basic building block of life • Have Organelles – similar to organs in a human body Paramecium Blood Cells The dark cells are white blood cells. The rest are red blood cells. Plant Cells Cells Video • Write 3 questions & 3 observations about the video What are the Types of Cells? Prokaryotic •No nucleus or membrane-bound organelles •Simpler & smaller Bacteria Eukaryotic •Has nucleus & membrane-bound organelles •Larger & more complex Animal Fungi Plant Protist ALL cells have 3 main parts Nucleus (contains DNA) Cytoplasm Cell membrane Do Now • Make a Venn diagram to compare/ contrast prokaryotic and eukaryotic cells • Include the following words: cell membrane, cytoplasm, nucleus, genetic material, smaller, larger, membrane-bound organelles, plant, animal, fungus, bacteria, simple, complex Prokaryotic Eukaryotic Nucleus Smaller Bacteria Simple Cell membrane Membrane-bound organelles Cytoplasm Plants Genetic material Animals Larger Fungus Complex Flashcards: Getting Started ANIMAL PLANT • Use a glue stick to paste 10 animal cells & 3 plant cells on the non-lined sides of index cards. Making your Flashcard • First, color in the highlighted region. – Use a different color for each card. • Second, write the name of the organelle ABOVE THE DIAGRAM! • Third, write the description of the organelle on the back. Nucleus • Holds the genetic material (DNA) • Controls the cell *? Cell Membrane • “Skin” that protects the cell • Regulates what enters and exits the cell • *? Cytoplasm • Everything in the cell between the nucleus and the cell membrane • *? Animal Cell Vacuole • Small storage tank for materials like water, salts, proteins, sugar • *? Lysosome • Sacs filled with enzymes to break down molecules, including proteins, sugars, and other organelles • *? Centriole • Help cells during cell division. • In animal cells only. • *? Ribosome • Make proteins • *? Endoplasmic Reticulum • Assemble and package proteins for transport to other locations • *? Golgi Apparatus • Modifies, sorts, and ships proteins (in or out of cell) • *? Mitochondria • Provides energy for the cell. • Cellular respiration • *? Time for the Plants • The following organelles are found ONLY in plant cells, not in animal cells. • Please cut out the plant cell pictures and glue them onto index cards. Cell Wall • Provides support and gives shape to the cell • *? Cell Wall with Cell Membrane • Do not make this into a flashcard! • Plant cells still have a membrane! It’s just inside the cell wall. Chloroplast • Uses sunlight to make food for the cell. • Photosynthesis! • *? Plant Cell Vacuole • Huge storage tank that holds water, minerals, and waste • *? That’s it for now! Go study Nucleolus • Located inside the nucleus • Makes ribosomes
