The process of dissolving and breaking-down macromolecules within the GI tract is referred to as
Blank
______.

Question

The process of dissolving and breaking-down macromolecules within the GI tract is referred to as 
Blank
______.

BlackTom AI · Accepted Answer

The question asks for the term describing the process by which macromolecules are dissolved and broken down in the GI tract.
Option 1: motility. While motility refers to the movement of the digestive tract contents (peristalsis and mixing), it does not describe the chemical breakdown of macromolecules, so this is not the right term here.
Option 2: deglutition. Deglutition is the act of swallowing, which moves food from the mouth to the esophagus, but it does not involve the chemical dissolution or breakdown of macromolecules in the GI tract, making this choice incorrect.
Option 3: digestion. Digestion is the coordinated process that includes mechanical breakdown and enzymatic chemical breakdown of carbohydrates, proteins, and fats within the GI tract, resulting in smaller absorbable components. This directly matches the description in the question.
Option 4: metabolism. Metabolism refers to the overall set of chemical reactions in the body's cells, including energy production and synthesis of biomolecules, not the specific process occurring in the GI lumen to break down ingested macromolecules. Therefore, this is not the correct term in this context.

The process of dissolving and breaking-down macromolecules within the GI tract is referred to as Blank ______.

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