The source of an enzyme is malt and that enzyme converts X into Y. X and Y respectively are
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Remember the sequence of carbohydrate digestion: complex polysaccharides like Starch are broken down by amylase/diastase into disaccharides like Maltose, which are then broken down by enzymes like maltase into monosaccharides like Glucose. Malt is the primary source of diastase.
Step 1: Identify the enzyme from Malt:
Malt (germinated barley) is the source of the enzyme Diastase.
Step 2: Identify the function of Diastase:
Diastase catalyzes the hydrolysis of Starch into Maltose.
Reaction: \( 2(\text{C}_6\text{H}_{10}\text{O}_5)_n + n\text{H}_2\text{O} \xrightarrow{\text{Diastase}} n\text{C}_{12}\text{H}_{22}\text{O}_{11} \) (Maltose).
Step 3: Check other options:
- Maltose to Glucose is catalyzed by Maltase (found in yeast).
- Proteins to peptides is catalyzed by Pepsin/Trypsin.
- Glucose to Ethanol is Zymase.
Therefore, X is Starch and Y is Maltose.