<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _is_catalysis(bpe):
 """Return True if the element is Catalysis."""

    if isinstance(bpe, _bp('Catalysis')) or \
        isinstance(bpe, _bpimpl('Catalysis')):
        return True
    else:
        return False