Question
Match the enzyme in column I with its function in column II and choose the correct option.
| Column I | Column II |
| A. Beta-Galactosidase | 1. Joining of DNA fragments |
| B. Permease | 2. Peptide Bond Formation |
| C. Ligase | 3. Hydrolysis of Lactose |
| D. Ribozyme | 4. Increases permeability to Beta-galactosidase |
A-2, B-1, C-4, D-3
A-3, B-2, C-1, D-4
A-2, B-4, C-1, D-3
A-1, B-2, C-4, D-3
Solution
B.
A-3, B-2, C-1, D-4
Beta-gal, coded by Z structural gene is primarily responsible for the hydrolysis of the diasaccharide lactose into its monomeric units, galactose and glucose.
