Energy is essential for life processes from "summary" of Human Biology by Cecie Starr,Beverly McMillan
Energy is indispensable for the survival of all living organisms. Without energy, life processes would come to a standstill. Energy is required for growth, repair, movement, reproduction, and countless other functions that keep living organisms alive and functioning. In the absence of energy, cells would not be able to carry out essential processes such as metabolism, respiration, and synthesis of biomolecules. In the world of biology, energy is defined as the capacity to do work or bring about a change. This work may involve movement, transportation of substances, or the synthesis of complex molecules. Living organisms obtain energy from their surroundings in various forms such as sunlight, food, or chemical compounds. The energy obtained is then converted into a usable form, typically in the form of adenosine t...
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