What are the hypotheses for the origin of eukaryotes?

Most scientists believe that eukaryotes evolved from prokaryotic cells. There are two hypotheses for the origin of eukaryotes:
1. eukaryotic cell and its organelles were formed by invagination of the cell membrane;
2. symbiotic hypothesis, according to which mitochondria, plastids, basal bodies of cilia and flagella were once free prokaryotes. They became organelles in the process of symbiosis.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.

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