1
Q
Give the control variables for this practical
A
- species and amount of bacteria
- temperature and time of incubation
- concentration of antibiotic
- volume of antibiotic and size of disc
- pH of agar
2
Q
Explain how incubation conditions would need to be altered if you are attempting to grow pathogenic bacteria vs non-pathogenic bacteria
A
Non-pathogenic - 25 degrees incubation, neutral/basic pH and free airflow
Pathogenic - 37 degrees incubation,
neutral/acidic pH and no free airflow (grow for longer)
Biology Year 2
flashcards
Decks in class (41)
# Cards
-
5.14
-
5.23
-
Core Prac 106
-
Maths Skills 1.98
-
5.46
-
5.53
-
5.65
-
5.77
-
5.86
-
5.106
-
5.134
-
5.125
-
5.142
-
Core Prac 122
-
5.212
-
5.225
-
6.52
-
6.102
-
6.15
-
6.22
-
Core Prac 145
-
6.75
-
6.67
-
6.124
-
6.142
-
Core prac 152
-
6.151
-
7.15
-
7.25
-
7.34
-
7.45
-
7.57
-
Core Prac 164
-
7.104
-
Core Prac 174
-
8.33
-
8.46
-
8.144
-
8.54
-
8.132
-
8.65
