What is the energy available to do work in any system called?

In living organisms,complex traits are .......

Identify the incorrect sentence.

When does the amount of disorder increase in a living system?

Anabolism is a $..........$ process,while catabolism is a $...........$ process.

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