What's the plural form of aminopolypeptidase? Here's the word you're looking for.
Answer
The noun aminopolypeptidase can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be aminopolypeptidase.
However, in more specific contexts, the plural form can also be aminopolypeptidases e.g. in reference to various types of aminopolypeptidases
or a collection of aminopolypeptidases.