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All microbes have an optimal pH range within which they thrive. They also have a minimum and maximum pH beyond which they cannot grow. Students observe the effect of pH (ranging from 3 to 11) on microbial growth. Requires 2 to 3 days from setup to completion. Complete with teacher instructions. Keep bacteria cultures and agar at room temperature; do not incubate or freeze. Perishable cultures included. Kit includes enough materials for a class of 30.
|Bacillus brevis Plate Culture||Included|
|Bacillus coagulans Plate Culture||Included|
|Micrococcus luteus Plate Culture||Included|
|Penicillium chrysogenum Plate Culture||Included|
|Pseudomonas fluorescens Plate Culture||Included|
|Saccharomyces cerevisiae Plate Culture||Included|
|Serological Pipets (5 mL)||2||Included|
|Bottles Nutrient Agar with 0.5% Dextrose||5||Included|
|Potassium Hydroxide, 1 N (10 mL)||Included|
|Hydrochloric Acid, 1 N (10 mL)||Included|
|Sterile Applicator Sticks||36||Included|
|Sterile Petri Dishes||40||Included|
|Autoclave Disposal Bag||Included|
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