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steposvetlana [31]
3 years ago
14

Which of the following is the main evidence of life in the early universe

Biology
1 answer:
Amiraneli [1.4K]3 years ago
7 0
Early cell structures
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Between glucose and lactose, the bacteria will preferentially use glucose as an energy source. On the other hand, lactose is a dimer, and thus a series of enzymes are needed to process lactose before its use as an energy source.

If there is no lactose present, the genes contained inside this operon are turned off (the operon is repressed).

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