Anabolism is

Assertion $A$: Many molecules participate in biochemical reactions.
Reason $R$: Biochemical reactions are metabolic reactions.
Which option is correct for Assertion $A$ and Reason $R$?

When does an organism experience wear and tear?

In living organisms, the formation and breakdown of substances occur through chemical reactions. These chemical reactions are collectively known as:

The total heat content of a system is known as.....

The transformation of metabolites into one another occurs through a series of linked reactions. This is called $...........$.