Mitosis, Meiosis, Organelles description

Three presentations (with images and comments): interphase, mitosis, meiosis.
Four articles: cell cycle, mitosis, meiosis, comparison of mitosis and meiosis.

The structure and function of cell organelles: nucleus, ribosomes, membrane, mitochondria, chloroplasts, endoplasmic reticulum, Golgi apparatus, centriole.

The application is intended for high school students, teachers and students of initial courses.