The answer is nitrogen fixation.
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Cutting down trees in the forest to make furniture because trees produce oxygen
Answer:
Option D
Explanation:
Bits of DNA that are interspersed among these repeated sequences are called spacers. Regarding to bacteria, the spacers are taken from viruses that previously attacked the organism. They serve as a bank of memories, which enables bacteria to recognize the viruses and fight against future attacks.
Examples of prokaryotic cells include:
<span>bacteria
<span>algae</span></span>