The figure below shows four types of nutrients that are absorbable by animal cells.
Which of the above molecules could be absorbed by the digestive tract without further digestion by enzymes?

Question

The figure below shows four types of nutrients that are absorbable by animal cells. 
Which of the above molecules could be absorbed by the digestive tract without further digestion by enzymes?

Quizplus · Accepted Answer

Monoglyceride is already broken down and small enough to be absorbed by the animal cells without further digestion by enzymes. Polysaccharides and proteins need to be broken down into smaller molecules like monosaccharides and amino acids respectively before they can be absorbed. Disaccharides also need to be broken down into monosaccharides before absorption.

The Figure Below Shows Four Types of Nutrients That Are