A-Level Biology Edexcel B 9BI0

6.1: Microbial techniques

#6.1i

Understand the basic aseptic techniques used in culturing organisms.

#6.1ii

Understand the principles and techniques involved in culturing microorganisms.

#6.1iii

Understand the use of different media (broth cultures, agar and selective media).

#6.1iv

Understand the different methods of measuring the growth of a bacterial culture as illustrated by cell counts, dilution plating, mass and optical methods (turbidity).

#6.1v

Understand the different phases of a bacterial growth curve (lag phase, log phase, stationary phase and death phase) and calculate exponential growth rate constants.

5.7
Photosynthesis
6.2
Bacteria as pathogens