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cell organelles&fxns

functions of organelles

QuestionAnswer
nucleus transcription of DNA information into RNA, specifies cell proteins
nucleous site of ribosomal RNA synthesis
chromosome contain genes that govern the structure and activity of the cell
plasma membrane encloses cell contents, regulates movement of materials in and out of the cell, helps maintaincell shape, communicates with other cells
RER makes protein
SER lipi, carbs and hormonal synthesis
ribosomes polypeptide synthesis in both plants and animals
golgi complex modifies, packages and sorts secreted proteins to vacuole and other organelles
lysosome contains enzyme that break down ingested materials,
vacoule stores water
cilia mov't of materials on surface of some tissues
flagella cell locomotion by sperm cels and some unicellular eukaryotes
gap junction cellular communication, links cardiac myocytes
plasmodesmata only in pants, cellular communication, allows molecules, ions to pass thru but not organelles
anchoring junction found in epithelial cells (skin), desmosomes are point of attachment, uses cadherins to cement cells together
tight junctions seal off intercellular spaces, prevents toxins from entering the blood, forms the blood brain barrier
Created by: 1543767578
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