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The digestive supplements Beano and Lactaid® are both made using microbes. Beano

ID: 280276 • Letter: T

Question

The digestive supplements Beano and Lactaid® are both made using microbes. Beano is an anti- flatulent and Lactaid® is used to reduce the cramps, gas, and diarrhea associated with lactose intolerance. Isn't microbiology glamorous? : Aspergillus niger produces alpha-galactosidase, the active ingredient in Beano®, and Aspergillus oryzae produces beta-galactosidase (lactase), the active ingredient in Lactaid®. A. niger and A. oryzae are both Select ] which are a type of [ Select ) belonging to the domainSelect] D Question 2 0.75 pts Alpha and beta-galactosidase are both enzymes. A. niger and A. oryzae produce and excrete these substances naturally to breakdown large substances in the environment into small molecules that the cell can (one word)

Explanation / Answer

1) Aspergillus niger produces alpha galactosidase and Aspergillus oryzae produces beta galactosidase. A. niger and A. oryzae are both molds which are a type of fungus belonging to the domain eukarya.

2) Alpha and beta galactosidase are both enzymes. A.niger and A.oryzae produce and excrete these substances to breakdown larger substances in the environment into smaller molecules so that the cell can assimilate.