The Cell A&P1
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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| The study of cells | Cytology
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| Prokaryotic - give 4 identifiers & 1 example | (first nucleus) No nuclear membrane, DNA in CIRCULAR double helix, lack of organelles, 70S ribosomes & bacteria
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| Eukaryotic - give 4 identifiers & 1 example | (true nucleaus) nuclear membrane, DNA in seperate chromosomes, organelles present, 80S ribosomes & human (all cells except bacteria)
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| Plasma cell membranes consist of (2) | Phospholipid bilayer & proteins
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| phospholipid biayer is held together by _____ & _________, NOT __________ bonds | likes & dislikes. not a chemical bond.
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| phospholipid bilayer consists of (2). what is their charge? | hydroPHILIC heads (charge) & hydroPHOBIC tails (no charge)
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| the 4 protein functions | channels, receptors, enzymes, carriers
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| substance (calcium, hormones) binds loosly to receptor to activate | ligand-gated
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| electric charge or current activates | voltage-gated
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| proteins act as _________ on the outside surface | receptors
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| proteins act as _________ on the inner surface | Enzymes
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| proteins transport glucose as _________ | carriers
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| channels can be ________ or ________ | open or closed
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| cell mambranes interacting | junction
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| cell arrangement | fluid mosaic theory
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| transmission of impulses from one cell to another | gap junction
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| gap junctions in the human body found in (2) | heart & smooth muscle
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| hold cells tightly together to prevent substances from passing in between cells | tight junction
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| weld spots hold cells tightly together. 2 examples | desmosomes. skin & bladder
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| organelles | small organs
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| double membrane with pores | nucleus
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| nucleolus is the site of _________ | ribosome assembly
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| DNA + protein | chromosomes
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| chromosomes consist of | DNA & protein
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| ribsomes are the site of __________ | protein synthesis
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| Ribosomes consist of | rRNA + protein
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| rough ER makes proteins for | export
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| intracellular protein | polysomes
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| system of enclosing narrow channels | ER
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| ER is countinuous with what membranes | countinuous with nuclear & cell membranes
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| rough ER invloved with | protein synthesis
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| smooth ER involved with | lipid synthesis & detoxification
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| generally near the nucleus | Golgi Complex
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| flattened sacs | cisternae
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| golgie complex consists of | cisternae (flattened sacs) & globular vesicles
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| Golgi principle function | PSPD (process, sort, package, deliver) proteins
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| golgi produces what 2 types of vesicles | secretory vesicles (insulin) & lysosomes
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| vesicles that export protein | secretory vesicles
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Created by:
la66
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