1. The production of arginine is terminated by the presence of excess arginine. State which phenomenon is responsible for this outcome. Explain the phenomenon in brief.  2. Suppose, a group of scientists developed a recombinant enzyme having mutations in its active site. Do you think, the activity of an enzyme would differ from the wild type?  3. Which part of the cell has a model structure of a fluid mosaic? Why do you think this happens?

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A:

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.