Biology questions

1.- What is a telomere? What is the consequence when a chromosome loses its telomeres? In which disease investigation are important? 2.- Please name the cell-cycle steps. 3.- An individual whose cells have 26 chromosomes, how many chromosomes are present in the daughter cells after meiosis? 4.-What are the main characteristics of Prophase in mitosis? 5.- What are the differences between mitosis and meiosis ? 6.- What is a chromosome? Why are important? 7.- Please name the differences between Prokaryotes and Eukaryotes.