教育 – 家庭 – 心理 – 健康
Mrs. Pfahnl’s Bio A Lab: Fermentation 1 Yogurt
Fermentation does not require Oxygen. There are two types of fermentation: Lactic acid and alcohol. Yogurt making is similar to our muscle during excise which produces lactic acid.
Purpose: Observe changes during milk fermentation process.
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Mrs. Pfahnl’s Bio A Lab DNA Extraction
Purpose: Extract DNA from fruits at home.
Mrs. Pfahnl’s Bio A Lab: Osmosis
Osmosis is a passive transportation of water molecules through semipermeable cell membrane.
The purpose of the experiment is to investigate the different salt levels affects the intake or output of the water molecules of plant cells.
Mrs. Pfahnl’s Bio A Lab: Catalase
September 29, 2020 Purpose: Investigate catalase activities in different fruits or vegetables.
Materials:
