When we ingest large molecules such as lipids,carbohydrates,and proteins,they must undergo catabolic reactions whereby enzymes split these molecules.This series of reactions is called ________.
A) mechanical breakdown
B) absorption
C) secretion
D) chemical digestion

Question

Quizplus · Accepted Answer

Chemical digestion refers to the breakdown of large molecules into smaller ones through enzymatic reactions. This is different from mechanical breakdown, which is the physical breakdown of food through chewing and mixing with digestive juices, absorption which is the movement of nutrients across the intestinal wall and secretion which is the release of digestive juices and hormones by various organs.

When We Ingest Large Molecules Such as Lipids,carbohydrates,and Proteins,they Must