🩵 Chapter 3: Adhesion Structure

Question 1

Adhesion Structure

Answer 1

allows bacteria to stick to cells and surfaces

Question 2

Why do bacteria need adhesion structures?

Answer 2

to attach to tissue or cells and establish infection within the body

Question 3

Major Adhesion Structures

Answer 3

1. Fimbriae
2. Pilus
3. Slime Layer
4. Capsules

Question 4

Fimbriae

Answer 4

thin and hair-like, 100s per cell

Question 5

How does fimbriae stick to surfaces?

Answer 5

by adhesins that bind to specific receptor molecules

Question 6

Adhesin

Answer 6

proteins on the very end of fimbriae

Question 7

What are fimbriae made of ?

Answer 7

Protein

Question 8

Pilus

Answer 8

larger and fewer in number compared to fimbriae

Question 9

How do pili stick to surfaces?

Answer 9

Adhesins

Question 10

What are pili made of ?

Answer 10

Proteins

Question 11

What are the types of pili with a function other that adhesion

Answer 11

1. Type 4 Pili
2. Conjugation Pili

Question 12

Type 4 Pili

Answer 12

allow bacteria to use gliding to move along surfaces

Question 13

Conjugation Pili

Answer 13

allow bacteria to transfer plasmids form one cell to another

Question 14

Slime Layers

Answer 14

appear fuzzy

Question 15

How do slime layers stick to surfaces?

Answer 15

Chemical Stickiness

Question 16

What are slime layers made of?

Answer 16

loosely packed and unorganized sugars

Question 17

Capsusles

Answer 17

appear sharp with white borders around cells

Question 18

How do capsules stick to surfaces?

Answer 18

Chemical Stickiness

Question 19

What are capsules made of?

Answer 19

densely packed and organized sugars