extremophiles - Some bacteria are __, meaning they can tolerate extreme conditions., prokaryotes - Bacteria and archaea are classified as ___, while plants, fungi, animals and protists are classified as eukaryotes., Pili - __ are structures that extend and form a mating bridge for conjugation., Nucleoid - The __ is also known as bacterial chromosomal DNA., Capsule - The __ protects bacteria against phagocytosis. However, not all bacteria have them., Fimbriae - The __ help bacterial cells adhere to other cells and surfaces., Positive - In gram staining, the ___ stain, crystal violet, stains gram- _____ bacteria., safranin - Gram-negative bacteria do not retain the primary stain and are instead coloured pink by ____, the counterstain., introns - The bacterial genome has no ___ and therefore do not need or possess a splicing mechanism., Initiator proteins - In binary fission, ___ open DNA at the origin of replication., vertical - Binary fission is a form of ____ gene transfer., conjugation - Bacterial horizontal gene transfer consists of transformation, transduction and ____., competence - In transformation, bacteria take up DNA from the environment using special surface proteins termed _____ factors. , homologous - In transduction and transformation, donor DNA is integrated into the recipient genome by ____ recombination., five - During conjugation, the F plasmid is nicked at one of its strands and a free __' end moves to the recipient cell.,

Genetics of Bacteria (1) Revision

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