UNIT 2 CELL APPENDAGES/ SURFACE POLYMERS Flashcards

1
Q

CAPSULE CONTAINING HYALURONIC
ACID

A

Pasteurella
multocida

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2
Q

Firmly attached to Cell Wall

A

CAPSULE

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3
Q

CAPSULE CONTAINING POLYSACCHARIDE

A

● Klebsiella
pneumoniae
● Streptococcus
pneumoniae
● Neisseria
meningitidis
● Haemophilus
influenzae

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4
Q

The capsule protects the bacteria from attack components of
the immune system and also facilitates and maintains
bacterial colonization of biologic and inanimate surfaces
through the formation of ____

A

biofilms

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5
Q

Why are biofilms important?

A

● Often difficult to detect
● Resistant to desiccation
● Dissemination
● Tolerant to biocides

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6
Q

Promotes concentration of nutrients

A

CAPSULE

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7
Q

SLIME LAYER (GLYCOCALYX) containing polysaccharide

A
  • Staphylococcus epidermidi
  • Streptococcus mutans
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8
Q

Not firmly attached to cell wall

A

SLIME LAYER (GLYCOCALYX

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9
Q

does not function as an effective permeable barrier or add strength to the cell envelope.

A

CAPSULE

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10
Q

Organized materia

A

CAPSULE

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11
Q

Antigenic

A

CAPSULE

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12
Q

BIOFILM Consists of monomicrobic or polymicrobic group of bacteria housed in a _____________

A

complex polysaccharide matrix

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13
Q

Less organized

A

SLIME LAYER (GLYCOCALYX

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14
Q

Generally composed of polysaccharide polymers

A

CAPSULE

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15
Q

Similar to capsules but are more diffused

A

SLIME LAYER (GLYCOCALYX

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16
Q

Promotes adhesion

A

CAPSULE and SLIME LAYER (GLYCOCALYX)

17
Q

CAPSULE CONTAINING POLYPEPTIDE
D-GLUTAMIC ACID

A

Bacillus anthracis
colonies

18
Q

During biofilm formation, the cells reach a critical mass that results in

A

metabolism and gene expression

19
Q

antigens seen in S. typhi:

A

K antigen & VI antigen

20
Q

Acts as a virulence factors in helping the pathogen evade
phagocytosis (antiphagocytic)

A

CAPSULE and SLIME LAYER (GLYCOCALYX)

21
Q

Protects from desiccation and toxic materials

A

CAPSULE