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Stack CELL STRUCTURE

DEFINITIONS

CELL STRUCTUREDEFINITIONS
CELL STRUCTURES
Centrioles cellular division, right angles & tubular
Chromosomes thicken for cell division, composed of DNA, 23 pairs for ea human, in form of chromatids
Nucleolus contains RNS for protein manufacturing, visible only when cell IS NOT dividing
Cytoskeleton composed of microtubles, supports/provides cell structure, aids movement in/out of cell
Endoplasmic Reticulum stores, seperates & serves as cells transport system
Smooth E.R. NO ribosomes
Rough E.R. dotted with chromosomes
Ribosomes protein factores/protein synthesis, composed of RNA & protein
Mitochondria cell's powerhouse, converts glucose to energy, controls level of H2O & PRODUCES ATP
Cell (plasma) membrane controls entry into cell
lysosomes digestive enzymes that breakdown harmful bacteria
golgi complex close to nucleus, proteins are modified, packaged and segregated into vesicles that absorb plasma membrane, release the contents to become lysosomes
Created by: Denice
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