<span>It has the advantage that only when the substrate is presence the genes responsible for its metabolism are turned on.</span>
Answer:
Antonie van Leeuwenhoek used single-lens microscopes, which he made, to make the first observations of bacteria and protozoa. His extensive research on the growth of small animals such as fleas, mussels, and eels helped disprove the theory of spontaneous generation of life.
Explanation:
The answer is 0.000000315
Answer:
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