Antibiotics kill or slow down the growth of other microbes. They act by inhibiting protein synthesis, nucleic acid synthesis, cell wall synthesis and inhibiting cell metabolism.
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44.
List two varieties of cheese and write the names of microbes used.
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45.
Name two alcoholic drinks produced in each of following ways
(i) With distillation (ii) without distillation.
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46.
What are the large vessels in which microbes are grown on an industrial scale called?
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47.
Give three uses of enzymes obtained from microbes.
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48.
Name the organic acids produced industrially by microorganisms.
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49.
What is sewage ? In which way can this be harmful ?
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50.
What is the key difference between primary and secondary sewage treatment ?
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