Q. Choose the correct statements.
I. Bond energy (ATP) is utilised for biosynthesis, osmotic and mechanical work that we perform.
II. When glucose is degraded into lactic acid in our muscles, energy is liberated.
III. Assembly of a protein from amino acid requires energy.
IV. Majority of metabolic reactions can occur in isolation.
V. There are many examples of uncatalysed metabolic reactions.

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Solution:

Statements I, II and III are correct. Statements IV and are incorrect and can be corrected as
*Majority of the metabolic reactions do not occur in isolation, they are always linked to some other reactions.
* There are many examples of catalysed metabolic reactions.