What kind of reaction does each of the following group of enzymes catalyse?
Transferases

Explanation

### Step-by-Step Solution:

1. **Definition of Transferases**: Transferases are a specific class of enzymes that facilitate the transfer of functional groups from one molecule to another.

2. **Function of Transferases**: The primary function of transferases is to catalyze the transfer of various functional groups, which can include:
- Methyl groups
- Glycosyl groups
- Carbonyl groups
...