Lab 12

Question 0

What is enrichment media

Answer 0

Chemicals enhance growth of desired bacteria

Question 1

What is selective media

Answer 1

Contain chemicals that prevent growth of unwanted bacteria

Question 2

What is differential media

Answer 2

Nutrients that allow distinguish one bacteria from another

Question 3

What nutrients are in tsa

Answer 3

0. 5% peptone
1. 8% NaCl
2. 5% agar

Question 4

What is msa agar and what grows on it

Answer 4

1. 0% peptone
2. 5% NaCl
3. 5% agar
4. 0% mannitol
5. 025% phenol red

Gram + grows

Question 5

What is in emb agar and what grows on it

Answer 5

1. 0% peptone
2. 5% agar
3. 5% lactose
4. 5% sucrose
5. 04% eosin
6. 0065% methylene blue

Gram -

Question 6

What bacteria were used in this lab

Answer 6

E. Coli
P. Aeruginos
S. Aureus
S. Epidermidis

Question 7

What happens when E. coli is on EMB agar

Answer 7

It turns metallic green

Question 8

What grows on mannitol salt agar and what color does it turn

Answer 8

S. Aureus and it turns yellow