Which scientist confirmed that all cells must come from pre-existing cells?

rudolf virchow concluded that all cells must come from pre-existing cells?

cats appear to have glowing cat eyes because the back of their eyeballs includes a special reflective surface called the tapetum lucidum. this lets them see better during the night, giving them a much better vision.

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion