Mitochondria and chloroplasts were independent organisms over a billion years ago. Give evidence of this.

1. Own enzymes that differ from cell enzymes and are similar to prokaryotic enzymes.
2. Own DNA.
3. Have ribosomes

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.