The final experiment involved the growth of yeast cells under aerobic and anaerobic conditions.
- Trypticase Soy Nutrient Agar
- Mannitol Salt Agar
- Sterile alcohol swab
- Listerine mouthwash
- Tubes of nutrient agar
- Diluted hamburger meat
- Quebec colony counter
- Apple juice
- Anaerobic yeast culture
Experiment 1... displayed 300 characters
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Effectiveness of alcohol as an antiseptic
1) All experiments must be done in a sterile environment; Lysol can be used to sterilize the area.
2) Divide a petri plate filled with Trypticase soy agar into 4 quadrants. Label them A, B, C, and D.
3) Press the pad of a dirty thumb onto quadrant A.
4) Swab the thumb with sterile water, allow to dry, and imprint it onto quadrant B... displayed next 300 characters
In fact, ninety percent of the energy yield from the respiratory breakdown of nutrients depends on the existence of aerobic conditions.
During cellular respiration, organisms break apart carbohydrates to release energy...
In this experiment we will be testing the fermentation of yeast using a several different molecule solutions.
The hypothesis was that the yeast glucose solution would produce the most carbon dioxide...
Note the time.
11 Record the results (level of gas - read with measuring cylinder held vertical) at regular intervals of every 30 seconds for 5 mins.
12 Repeat the same procedure for 20, 30, 40 °C etc? from step 2 and onwards...
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