BACTERIA CELL Flashcards
____, ______, and _____ consist the Cell Envelope
- capsule
- cell wall
- plasma membrane
well-defined structure of polysaccharide surrounding a bacterial cell external to
the cell wall
CAPSULE
protects bacteria from phagocytosis & plays a role in bacterial adherence
CAPSULE
Gram positive is ____ in color
purple
confers osmotic protection & Gram-staining characteristics
CAPSULE
portion external to the plasma membrane & internal to capsule
CAPSULE
Gram negative is _____ in color
red
Thin peptidoglycan with little cross linkage and phospholipid membrane
Gran Negative
Highly cross-linked and thick cell walls; no outer membrane
Gram positive
Phospholipid Bilayer which contains lipids, enzymes, and penicillin-binding proteins
Plasma Membrane
Plasma Membrane is a phospholipid Bilayer which contains:
Lipids
enzymes
Penicillin-binding proteins
Bacteria cells fused in pairs, is known as ________
DIPLOPOXIDE
Coccus/ Cocci is a ___ in shape
ROUND
membrane bound proteins & RNA engaged in protein biosynthesis
Ribosomes
irregularly shaped region not bound by a membrane which contains genetic information
Nucleoid
Bacillus/ Bacilli is ______ like
Rod like
BACTERIAL SHAPES
- Round
- Rod like
- Spiral
- Pleomorphic
contains ribosomes & various nutritional granules
and no membrane bound organelles present
Cytoplasm
Spirochetes, Spirilla is ____ in shape
Spiral
target of antibiotics
Ribosomes
Bacterial arrangement that forms great membrane clusters
STAPHYLOPOXIDE
Bacterial cells are reached in chains resembling a string of beads called _______
STRAP OF OXIDE
In gram staining, _____ structure remains the same
plasma membrane
Bacterial arrangement that forms chains
STEPTOPOXIDE
In ________, during alcohol decolorization, large dye complex are trapped in
Gram-Positive
In ______, during alcohol decolorization, large dye complex gets out
Gram-Negative
Gram-Negative color may range from ___ to ___
pale red to red
Gram-Positive color may range from ___ to ___
purple to dark blue/black
cell wall of bacteria primarily consist of _____
PEPTIDOGLYCAN
single round cocci
coccus
function of the bacterial capsule
Protection against disinfusion
Responsible for bacterial mobility
FLAGELLA
bacterial structure is involved in the attachment to host cells during infection
PILI
