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Bio Definitions 7.6

Textbook Definitions

TermDefinition
Basal Body Cilia and flagella eukaryote MTOC, triples of microtubules in a circle
Microfilaments/ Actin Filaments Protein filament within cytoplasm of eukaryote cells, forms part of cytoskeleton, structure and movement, 7nm, 2 strands
Motor Protein Class of protein, converts ATP into motion
Cytokinesis End portion of cell division, produces separation into daughter cells
Cytoplasmic Streaming Flow of cytoplasm within a cell to transport nutrients, protein, and organelles
Cell Crawling Cell movement where a cell deforms its shape via actin filaments to pull itself along surface
Intermediate Filament Protein filament within cytoplasm of eukaryote cells, forms as part of the cytoskeleton, cell shape and holds nucleus, 10nm, 1 protein
Microtubules Protein filament within cytoplasm of eukaryote cells, from part of cytoskeleton, structure, movement, and transport, 25nm, polymerization of protein dimers
Dimers Interaction between two monomers, homodimer- identical, heterodimer- different molecule
Microtubule-Organizing Center (MTOC) Structure where microtubules originate from
Centrosome Animal cell MTOC, organizes spindle apparatus during cell division
Centrioles Microtubule triplet found within centrosome organization
Kinesin Motor protein, cunty af walk, along microtubules, positive end, transport vesicles, particles, organelles, and chromosomes
Cilium Core of microtubules, surrounds cell membrane, large numbers, short, moves fluid and particles, bath and forth movement
Dynein Motor protein, walks along microtubules, negative end, bends cilia and flagella, chromosome movement in mitosis, transports vesicles and organelles
Created by: KimbaPasch
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