Modelová Otázka ID 2988 - 
Vyberte správné tvrzení o plazmidech:
Správná odpověď je: A, B, C, D
Plazmid je malá, většinou kruhová molekula DNA, která obsahuje část genetické informace, která sice není nezbytná pro samotnou životaschopnost bakterie, ale poskytuje jí určité výhody (rezistence vůči antibiotikům, schopnost vytvářet toxiny ad.). Plazmidy se přirozeně vyskytují v cytoplazmě bakterií a některých archebakterií. Jsou schopné replikace. Bakterie si plazmidy mohou vyměňovat při konjugaci. Plazmidy se také využívají v genovém inženýrství.
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