Bacteria and Archaea Crossword Puzzle

QUESTIONS LIST:

• prokaryotes: single-celled organisms that make up domains bacteria and archaea
• colonies: clusters of unicellular prokaryotes.
• bacilli: rod-shaped prokaryotes.
• plasmolysis: prokaryotes undergo _ in hypertonic environments.
• peptidoglycan: network of sugar polymers cross-linked by polypeptides.
• lipopolysaccharides: the outer membrane of gram-negative bacteria contains _ .
• endospores: metabolically inactive bacteria that can withstand extreme conditions.
• pili: longer fimbriae that function to pull cells together enabling dna exchange.
• chemotaxis: movement toward or away from a chemical stimulus.
• flagella: most common structures used by prokaryotes for movement.
• circular: prokaryotes have a single _ chromosome.
• plasmids: smaller rings of independently replicating dna.
• fission: bacteria reproduce quickly by binary _ .
• transformation: prokaryotic cells incorporate foreign dna taken up from their surroundings.
• conjugation: dna is transferred between two prokaryotic cells.