What are Heterocysts

Heterocysts are specialized cells, which have the ability to fix nitrogen.

Although such an applicant for tutoring, as a rule, has practically no pedagogical experience, he understands how an applicant or student feels before passing the exams. The greatest risk in this case is the low level of professionalism of the potential teacher. As a rule, good tutors start classes already in September. It is advisable to do a search in advance if you are primarily interested in the result, and not the price of the issue.