7.3 Notes – Flashcards
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Cytoplasm
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the environment inside the plasma membrane is a semi fluid material
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Cytoskeleton
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a supporting network of long, thin, protein fibers that form a framework for the cell and provide an anchor for the organelles inside the cells
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Ribosomes
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organelles that help manufacture proteins
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Nucleolus
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the cite of ribosome production
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Endoplasmic Reticulum
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a membrane system of folded sacs and interconnected channels that serve as the site of protein and lipid synthesis
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Golgi Apparatus
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a flattened stack of membranes that modifies, sorts, and packages proteins into sacs called vesicles
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Vacuole
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a sac used to store food, enzymes, and other materials needed by a cell
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Lysosomes
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vesicles that contain substances that digest excess or worn-out organelles
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Centriols
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organelles made of microtubules that function during cell division
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Mitchondria
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energy generators that convert fuel particles into usable energy
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Chloroplasts
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organelles that capture light energy and convert it to chemical energy through a process callec photosynthesis
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Cell Wall
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a thick, rigid, mesh of fibers that surrounds the outside of the plasma membrane, protecting the cell and giving it support
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Cilia
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short, numerous projections that look like hairs and project outside the plasma membrane
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Flagella
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longer and less numerous than cilia and also project outside the plasma membrane
