A&P
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | -called composite cell
-varies in size, all microscopic
-varies in structure and function
-smallest living unit in body
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| structure of the cell | show 🗑
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| plasma membrane | show 🗑
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| cytoplasm | show 🗑
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| show | large membranous structure near center of cell
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| show | -theory explaining how cell membranes are constructed
-membranes are arranged in a sheet
-groupings of membrane molecules form rafts
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| show | -double layer of phospholipid molecules
-heads are hydrophillic (water loving)
-tails are hydrophobic
-cholesterol is scattered among bilayer
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| show | controls what moves through membrane, some serve as a passage for Na+ ions or glucose and called transport proteins,
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| glycoprotein | show 🗑
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| show | gel-like substance of cels that include many organelles suspended in watery fluid called cytosol
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| show | specialized sacs or canals made of cell membranes
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| show | made of microscopic filaments or other nonmembranous material
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| show | made of canals with membranous walls and flat curving sacs arranged in parallel rows throughout cytoplasm, extend from plasma membrane to nucleus
-proteins move through canals (protein transport)
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| rough endoplasmic reticulum | show 🗑
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| show | -no ribosomes
-synthesizes certain lipids and carbohydrates and creates membranes for use throughout cell
-removes and stores Ca++ from cell's interior
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| ribosomes | show 🗑
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| golgi apparatus | show 🗑
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| lysosomes | show 🗑
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| proteasomes | show 🗑
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| show | -small membranous sacs containing enzymes tat detoxify harmful substances that enter cell
-often seen in kidney and liver cells
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| show | -microscopic sacs
-the power plant of cells, enzymes catalyze series of oxidation reactions that provide 95% of cell's energy
-had DNA --> produce own enzyme and copy itself
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| show | spherical body in center of cell, enclosed by an envelope with many pores, nucleoplasm inside
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| show | -contains DNA -->chromatin threads in nondividing cells, chromosomes in early stages of cell division
-DNA determines both structure and function of cell and heredity
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| show | cells framework made up of rigid rodlike pieces that provide support and allow movement and mechanisms that can move the cell or its parts
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| show | microfilaments, intermediate filaments, microtubules
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| microfilaments | show 🗑
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| intermediate filaments | show 🗑
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| show | -hollow tubes
-thickest cell fibers
-move things within cell
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| centrosome | show 🗑
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| cell extensions | show 🗑
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| list 3 types of cell extensions | show 🗑
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| microvilli | show 🗑
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| show | -found in respiratory system
-shorter and more numerous than flagella
-made of microtubules
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| flagella | show 🗑
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| 3 types of direct cell connections | show 🗑
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| show | -fibers on outer surface of each desmosome interlock with each other, anchored internally by intermediate filaments of cytoskeleton
-spot = spot welds at various points
-belt = encircle the entire cell like a collar
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| show | -membrane channels of adjacent plasma membranes adhere to each other
-form gaps or tunnels that join the cytoplasm of two cells
-fuse two plasma membranes into a single structure
-cytoplasm is joined
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| tight junction | show 🗑
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Created by:
BretteM