Basic microbiology concepts including microbial classification, infection basics, and sterilization tested on the HESI A2 science section.
35 cards · basic cards · AI-written, checked twice. Edit anything.
- What type of cell do bacteria have?
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Prokaryotic cells (no true nucleus)- What are the three domains of life?
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Bacteria, Archaea, and Eukarya- What does the Gram stain test classify bacteria by?
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Cell wall composition- Why do Gram-positive bacteria stain purple?
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A thick peptidoglycan layer retains the crystal violet dye- Why do Gram-negative bacteria stain pink?
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A thin peptidoglycan layer and outer membrane cause them to take up the pink counterstain instead- What is a round-shaped bacterium called?
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Coccus- What is a rod-shaped bacterium called?
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Bacillus- What is a spiral-shaped bacterium called?
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Spirillum- What is the term for bacteria arranged in pairs?
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Diplococci- What is the term for bacteria arranged in chains?
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Streptococci- What is the term for bacteria arranged in grape-like clusters?
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Staphylococci- Why are viruses called obligate intracellular parasites?
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They can only replicate inside a living host cell- Viruses are considered ____ because they are not made up of cells.
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acellular- What compound makes up fungal cell walls?
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Chitin- What are protozoa?
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Single-celled eukaryotic organisms
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