The sum of all chemical reactions taking place within a cell is called:

Correct answer: C. Metabolism

  • A. Thermoregulation
  • B. Osmoregulation
  • C. Metabolism
  • D. Isomerism

Explanation

Word metabolism is derived from Greek word which means "Changes". Temperature regulation, water and salt regulation respectively called thermoregulation and osmoregulation, while isomerism is the phenomenon in which more than one compounds have the same chemical formula but different structures.

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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.

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