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Anatomy and Functions of Cell Organelles

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Katie Mortenson

on 4 October 2012

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Transcript of Anatomy and Functions of Cell Organelles

Types of Cells Animal Plant nucleus contains DNA and controls the processes of cells nucleolus where ribosomes are made, synthezied, and partically assembled. Located in the nucleus Smooth endoplasmic reticulum Tubular shape and lacks ribosomes. chemical modification of small molecule that are taken into the cell concentrates, packages, and sorts proteins before they are sent to other parts of the cell. Golgi Apparatus Vesicles package created by the

golgi apparatus Lysosome digest food particles, old organelles, and bacteria. They go through three phases: phagocytosis, endocytosis, and autophagy complexes of RNA and proteins. They are the sites of protein synthesis. the information edcoded by nucleic acids direct the correct linking of amino acids to form proteins. Ribosomes Rough endoplasmic reticulum ribosomes attached to the outer surfce of the membrane. A protein enters only if there's a specific squence of amino acids. it transports these proteins to other parts of the cell Mitochondria converts chemical energy into ATP (adenosine triphosphate). the outer membrane has large pore for substances to pass through. the inner membrane is folded into structures called cristae. Centrioles bundles of microtubules that organize the movement of chromosomes during cell division Jelly-like substance that separates the nucleus from the cell membrane. All the organelles are found here. The cells movement and shape is made up of microtubules which make up the cytoskeleton. Cytoplasm Vesicles Created by the golgi apparatus. They give proteins and nutrients throughout the cell, and transports waste to the cell membance to be sent out double-layer membrane surrounds and protects the nucleus. Nuclear pores in the membrne allow molecule to move in and out of the nucleus Nuclear Envelope Animal cell: membrane bound sac that plays a role in digestion and disposing waste products from the cell. Usually small in size

Plant cell: large organelle that stores water and nutrients. Supports the plant's shape Vacuole The site of storing food (leukoplasts) and pigments (chromoplasts). only in plant cells Plastids Only in plant cells. Outer-most layer that surrounds the membrane. The cell wall protects and supports the cell. Cell Wall Only in Plant Cells. Converts energy from the sun into chemical energy through photosynthesis. Chloroplast
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