Pathogens and Materials

Question 1

TSA

Answer 1

Tryptic Soy Agar
- Agar resin + soy dust + water = gel
- soy broken down by trypsin

Question 2

Blood Agar

Answer 2

• Tryptic Soy + 5% by volume Sheep’s Blood
• blood gives extra nutriets to grow hard to grow organisms
• test type of organism with blood lysing

Question 3

Blood Lysing Test

Answer 3

Alpha - Green-Grey/Brown color around the colony. Incomplete lysing

Beta - Clear of blood agar. Complete lysing

Gamma - No effect