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4 Cards in this Set

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What is nitrogen fixation?
Nitrogen fixation is the chemical reactions in which prokaryotes convert atmospheric nitrogen gas to ammonia. It is one of the ways that prokaryotes help humans.
Why does bacteria live in and on us?
They live in and on us to help crowd out disease-causing bacteria.
what are 3 examples of the ways humans put prokaryotes to work?
1. bacteria of genus Lactococcus is manufactured to make cheddar cheese
2.Transgenic bacteria produces many drugs including human insulin.
3.Raw sewage at municipal wastewater treatment plans are sprayed with bacterial biofilms to degrade the organic matter in the sewage.
hat are examples of food that are products of bacterial metabolism?
vinegar, sauerkraut, sourdough bread, pickles, olives, yogurt, olives and cheese.