For Lab Act 4-5 Flashcards
Staphylococci
Staphylococcus aureus
Streptococci
Streptococcus pyogenes
Diplococci (cocci in pairs)
Streptococcus pneumoniae
Neisseria gonorrhoeae
Sarcina
Sarcina lutea
Tetrads
Gaffkya tetragena
Streptobacilli
Bacillus subtilis
Diplobacilli (snapping and slipping)
Mycobacterium tuberculosis
Coccobacilli ( a bacilli nga murag cocci)
Escherichia coli
Vibrio (curved bacilli)
Vibrio cholera
Spirilum (spiral)
Campylobacter spp. (jejuni)
Spirochete
Treponema pallidun
Borellia
Borrelia spp. (borrelia burgdorferi
Leptospira (spirochete)
Leptospira interrogans
How many coils do spirochetes have?
4 to 20 coils
Note:
Bacilli may vary in length, some are shorts, coccobacilli forms or very long rods
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NOTE: spirals vary from small, comma shaped or mildly-helix shaped organism
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Granules are arranged irregularly within the cell, whereas in others they are located on both ends known as? ____
Polar bodies (Yersenia pestis)
An example of a granular inclusion bodies
Metachromatic granules or volutin granules
Granular inclusions serve as? _____
Energy source or food reserve for bacteria
Examples of polyphosphate granules
*Babes Ernst bodies (corynebacterium diphtheraie)
*Much’s granules
(Mycobacterium tuberculosis)
Makes bacteria motile
Flagella
The easiest way to demonstrate flagellar bacteria is through
(Two answers)
- Tannic acid
- Mordant
To swell up the bacteria due to their minuteness (0.12u)
Bacterial spores are present especially those belonging to what genus
(Two answers)
- Bacillus
- Clostridium
Aids in bacterial survival against external conditions
Bacterial spores
Bacterial spores are made of?
(Two answers)
- Dipicolinic acid
- Calcium ions
True or false
Spores are resistant to physical and chemical agents of disinfection
True
Glycocalyx can either be?
(2)
- Capsule
- Slime layer
Helps bacteria resist phagocytosis and desiccation
Capsule
Capsule or slime layer
Firmly attached to the cell wall
Capsule
Capsule or slime layer
Loosely attached to the cell wall. It can EITHER inhibit phagocytosis or aid in ADHERENCE of bacteria to surfaces
Slime layer