Jeef First Aid Micro Part 1-1

Front 1

1. Peptidoglycan function in bacteria?

Back 1

a. Gives rigid support, protects against osmotic pressure.

Front 2

2. Peptidoglycan Chemical composition?

Back 2

a. Sugar backbone w/cross-linked peptide side chains.

Front 3

3. Cell wall/cell membrane (gram positives) function?

Back 3

a. Major surface antigen.

Front 4

4. Teichoic acid induces?

Back 4

a. TNF and IL-1.

Front 5

5. Outer Membrane function (Gram negatives)?

Back 5

a. Site of endotoxin (LPS).
b. Major surface antigen.

Front 6

6. Lipid A of outer membrane in gram negatives induces what in host?

Back 6

a. TNF and IL-1.
b. Polysaccharide is the antigen.

Front 7

7. Plasma membrane function in bacteria?

Back 7

a. Site of oxidative and transport enzymes.
b. Lipoprotein bilayer.

Front 8

8. Ribosome function in bacteria?

Back 8

a. Protein synthesis.
b. Composed of 50s and 30s subunits.

Front 9

9. Periplasm function in bacteria?

Back 9

a. Space between the cytoplasmic membrane and peptidoglycan wall in G- bacteria.
b. Contains many hydrolytic enzymes, including β-lactamases.

Front 10

10. Capsule function in bacteria?

Back 10

a. Protects against phago.

Front 11

11. Capsule composition in bacteria?

Back 11

a. Polysaccharide (save for B. anthracis, which contains D-glutamate).

Front 12

12. Pilus/fimbria function in bacteria?

Back 12

a. Mediates adherence of bacteria to cell surface.
b. Sex pilus forms attachment between 2 bacteria during conjugation.

Front 13

13. Pilus/fimbria composition?

Back 13

a. Glycoprotein

Front 14

14. Spore function and structure?

Back 14

a. Provides resistance to dehydration, heat, and chemicals.
b. Composed of keratin-like coat; dipicolinic acid.

Front 15

15. Plasmid function?

Back 15

a. Contains a variety of genes for antibiotic resistance, enzymes, and toxins.

Front 16

16. Plasmid composition?

Back 16

a. DNA.

Front 17

17. Glycocalyx function in bacteria?

Back 17

a. Mediates adherence to surfaces, especially foreign surfaces (e.g. indwelling catheters).

Front 18

18. Glycocalyx composition?

Back 18

a. Polysaccharide.

Front 19

19. What structure is unique to gram positive bacteria?

Back 19

a. Teichoic acid.

Front 20

20. Which bacteria has a much thicker cell wall (composed of peptidoglycan)?

Back 20

a. G+.

Front 21

21. Which bacteria has periplasm?

Back 21

a. G-.

Front 22

22. Where is endotoxin/LPS (outer membrane) located in relation to the cell wall in G-?

Back 22

a. Superficial to it.

Front 23

23. Gram negative diplococcus?

Back 23

a. Neisseria.

Front 24

24. Gram positive Rods (bacillus)/

Back 24

1. Clostridium
2. Corynebacterium
3. Bacillus
4. Listeria
5. Mycobacterium (acid fast).

Front 25

25. Gram negative rods?

Back 25

1. Enterics
2. Haemophilus
3. Legionella (silver)
4. Bordetella
5. Francisella
6. Brucella
7. Pasteurella
8. Bartonella
9. Gardnerella (gram variable).

Front 26

26. Enterics (G- rods)?

Back 26

1. E. coli
2. Shigella/salmonella
3. Yersinia
4. Klebsiella
5. Proteus
6. Enterobacter
7. Serratia
8. Vibrio
9. Campylobacter
10. Helicobacter
11. Pseudomonas
12. Bacteroides.

Front 27

27. Gram positive Branching filamentous bacteria (no G- in this category)?

Back 27

a. Actinomyces and nocardia.

Front 28

28. Gram negative pleomorphics (no G+ pleomorphics)?

Back 28

a. Rickettsiae and Chlamydia.

Front 29

29. Stain for Chlamydia?!?!?!?!?

Back 29

a. Giemsa.

Front 30

30. For what 4 organisms is Giemsa stain used for?

Back 30

a. Borrelia
b. Plasmodium

c. Trypanosomes

d. Chlamydia.