Refresher

Question 1

-Extra-chromosomal DsDNA
-Vector for resistance

Answer 1

Plasmid

Question 2

Name the organisms that require (5-10%) Carbon dioxide for growth (Capnophilic)

Answer 2

Cardiobacterium
Haemophilus spp.
Actinobacillus
Neisseria
Kingella
Capnocyophaga
Aggregatibacter
Dysgonomonas

Question 3

What temperature do Pseudomonas and Campylobacter grow>

Answer 3

42deg Celsius

Question 4

Most bacteria grow in what pH

Answer 4

7.0 - 7.5

Question 5

Energy derivation in the absence of oxygen

Answer 5

Fermentation

Question 6

Intermediate product of metabolism

Answer 6

Pyruvate

Question 7

Hair-like proteinaceous projections which can be of two types

Answer 7

Fimbriae (short & bristle-like),
Pili (long & hairy)

Question 8

Bacteria with enterotoxins

Answer 8

V. cholerae
E. coli
Campylobacter jejuni
Shigella dysenteriae

Question 9

Highly selective for Salmonella and Shigella spp.

Answer 9

Tetrathionate broth

Question 10

Thayer-Martin Agar is for which organism

Answer 10

N. meningitidis and N. gonorrhoeae

Question 11

Highly selective for Vibrio spp.

Answer 11

TCBS (Thiosulfate-Citrate-Bile Salts)

Question 12

Selective and enrichment media for S. agalactiae

Answer 12

Todd-Hewitt Broth