b. in the nucleus
c. in a vacuole
d. In the cytoskeleton
Many of the cell's metabolic processes take place in the cytoplasm. The cytoplasm is the area of the cell where general metabolic reactions like protein synthesis, cellular respiration, and waste removal happen.
Many of the cell's metabolic processes occur in the cytoplasm. The cytoplasm is the part of the cell outside the nucleus where a variety of reactions, such as cellular respiration, protein synthesis, and waste removal, occur. The other listed components of the cell – the nucleus, vacuoles, and cytoskeleton, have more specific roles that do not primarily involve general metabolic processes.
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The process of separation of the dissolved particles from the liquid in a solution is known as distillation. In the process of distillation, the particles are separated from the liquid solution by the method of condensation and selective boiling. The separation from this process may be complete or partial. This method is used in the production of alcohol, gasoline, distilled water etc.
Hence, the blank can be filled with 'distillation'.