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Transcript
Cornell Notes Topic: Cell Parts 2 Name: _________________________________________ Date: Questions What is cytoplasam? Notes Structures for Assembly and Transport of Proteins We already mentioned the_______________________. Much of the cytoplasm is occupied by the ____________________________. Endoplasmic Reticulum The ER functions as the cell’s delivery system, much like the trucks that deliver raw products such as beef, vegetables and beverages to the steak restaurant. To make dinners, these raw products must be assembled on the counter in the restaurant. The endoplasmic reticulum is a system of folded sacs extending throughout the cytoplasm. ________________ ER has ribosomes on the outer surface; smooth ER has no ribosomes. What is the function of the ER? The endoplasmic reticulum is the site of protein _______________, or where protein is made. Label the ER on your cell now! Structures for Protein Storage These structures are the storage rooms of the restaurant. They are the _________________, vacuoles, and ___________________. Golgi Apparatus Function of the Golgi Apparatus To sort and package _________________from the ER. These protein vesicles are either secreted or used internally. Label the Golgi apparatus now! Function of Vacuoles In the restaurant kitchen, the vegetables and meats are stored in bins and containers. Cells have spaces called vacuoles for temporary storage of materials. Vacuoles often store food, waste and __________________ needed by the cell. Vacuoles Label the Vacuole now! Function of Lysosomes Lysosomes are enzymes that __________________ excess or worn out cell parts. They can dispense their contents into vacuoles to digest whatever is being stored. Lysosomes Label the lysosomes now! Label the Lysosome now! “THE POWER HOUSE” What is Endoplasmic Reticulum? What is the function of the ER? What is Golgi Apparatus? What is the function of the Golgi Apparatus? What is a Vacuole? What is the function of the Vacuole? What is a Lysosome? What is the function of the Lysosome? What is a Mitochondria? What is the Function of the Mitochondria? What is the deference between a microtube and a microfilament? What is a cytoskeleton? What is the Function of the cytoskeleton? How do cells move? What is the difference between a Flagella and a Cilia? Summary The _________________________ is similar to the restaurant’s electricity source. All functions—the stove, lights, music, refrigerator—depend on energy from the electrical outlets located in the restaurant. The mitochondria provides the same source for the cell. ENERGY TRANSFORMERS!! Functions of the Mitochondria Site of _____________________ (Adenosine Tri Phosphate) production from respiration. This is where food molecules are broken down to release energy! Label the Mitochondria now! Structures for Support and Locomotion!! Years ago, scientists thought cell organelles just floated around within the cytoplasm. Recently, scientists have discovered that there are tiny rods and filaments that can _______________ and ________________to form a framework for supporting organelles. These tiny filaments and rods are composed of microtubules and microfilaments. Microtubules are thin and ______________. Microfilaments are thin and ________________ Cytoskeleton Function of the Cytoskeleton The cytoskeleton provides ________________, structure and support; it also maintains cell shape, and aids movement of organelles and intracellular materials. Label the cytoskeleton now! How do cells move? Cells move in two ways!! By the use of ________________ or ________________. Cilia Cilia are short, numerous, hair-like projections from the plasma membrane. They move in a “______________” motion. The cilia move the cell by beating rhythmically. Flagella Flagella function to move the cell by one long projection that moves in a whip-like motion. Cells that have flagella will only have one or two projections. Can you guess how each of these cells move? Label the cilia or flagella now!