What is the first step of the metabolism of carbohydrates?
A) In the mouth, amylase hydrolyses starch into glucose, maltose, and dextrins.
B) In the stomach, amylase hydrolyses starch into glucose, maltose, and dextrins.
C) Glucose enters cells.
D) A phosphoryl group is transferred.
E) A glucose molecule is split into two pyruvates.

Question

Quizplus · Accepted Answer

The first step in the metabolism of carbohydrates begins in the mouth, where the enzyme amylase, present in saliva, starts the breakdown of starch into simpler sugars like glucose, maltose, and dextrins. This process initiates the digestion of carbohydrates.

What Is the First Step of the Metabolism of Carbohydrates