Detailed Instructions: In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
Problem:Question: The metal that appears most frequently in the active site of metalloproteases is:
Options: <0> Calcium. <1> Magnesium. <2> Selenium. <3> Sodium. <4> Zinc.
Solution:
chemistry