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

Monoglycerides are the only molecules among the options that can be absorbed by the digestive tract without further digestion by enzymes. Monoglycerides are the end products of lipid digestion, and they can pass through the cell membrane of the small intestine without requiring any additional enzyme activity. Polysaccharides, disaccharides, and proteins are all complex molecules that require further digestion by enzymes before they can be absorbed by animal cells.

The Figure Below Shows Four Types of Nutrients That Are