Metabolic reactions take place
A)In vitro
B)In vivo
C)Both (a) and (b)
D)Only in unicellular organisms

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Hint: Metabolic processes are often taking a spot in the body. Metabolism is the amount of all of the chemical responses that are composed of anabolism and catabolism.

Complete answer:
Before we discuss the correct options, let us know a little more about metabolic reactions. Metabolism is the sum of all breakdown and synthesis responses in the body. The metabolic probability assesses the amount of energy utilized to retain life. An organism must consume an adequate quantity of nutrition to maintain its metabolic rate if the bion is to stay alive for long.

Option C: Metabolic reactions are those chemical responses by which a complicated material halts into smaller particles and generates the energy which enables in finalizing the life cycle of an organism. Metabolic responses can take place in a living network e.g. absorption and inhalation in the living organism. metabolic responses also take place in a private cell-free network e.g. responses take place in the test tube. Metabolic responses take place in unicellular as well as multicellular bions. This is the correct answer.

Hence, the correct answer is option (C)

Note: An example of a metabolic response is the one that takes place when an individual consumes a spoonful of sugar. Once inside the body, sugar particles are broken down into simple molecules with the discharge of energy. That energy is then utilized by the body for different purposes, such as maintaining the body warm and making up new particles within the body.