Lyophilization of bacteria is a kind of cryopreservation of bacteria

a. true
b. false


Ans: a. true

Biology & Microbiology

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In prokaryotes, gene expression is regulated at the level of: (Select all correct choices)

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About 250 million years ago Earth’s continents merged into one supercontinent called ____

a. Nazca b. Eurasia c. Laurasia d. Gondwana e. Pangaea

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The fact that the earth does not go up in flames in spite of the richness of oxygen in our environment is related to

which of the following concepts?

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Biology & Microbiology