A process is occurring throughout the day in X organism

A process is occurring throughout the day in X organism. Cells are participating in this process. During this process, ATP, $CO_{ 2 }$ and water are formed. It is not a light-dependent process.
(i) Name the process.
(ii) It is a catabolic or an anabolic process.
(iii) What could be the raw material of this process?

(i) Cellular respiration.
(ii) It is an amphibolic pathway, which involves both anabolism and catabolism.
(iii) Carbohydrates, proteins, fats and organic acids can he the raw material; but glucose is the
form that ultimately enters the pathway.