Starch Digestion

What disaccharide does the polysaccharide Starch break down in to?

Maltose

What bonds are broken in hydrolysis reactions?

Glycosidic bonds

What enzyme catalyses hydrolysis of starch?

Amylase

What are the two different locations of amylase?

Salivary amylase (mouth) and pancreatic amylase (small intestine)

What monosaccharide is maltose broken down into?

Two alpha glucose molecules

What property of glucose allows it to be absorbed across the gut wall into the blood?

Its solubility

In what reaction is the disaccharide maltose broken down into monosaccharides and what is it catalysed by?

Hydrolysis reaction, catalysed by maltase.

What is maltase?

A membrane-bound disaccharidase that catalyses the hydrolysis of maltose into two glucose molecules.

Where is maltase found?

In the cell membrane of epithelial cells of the small intestine.