Three scientists are credited with the development of cell theory. Matthias Schleiden observed that all plants were made of cells; Theodor Schwann observed that all animals were also made of cells; and Rudolf Virchow observed that cells only come from other cells.
Answer:
any change in the nucleitide sequence because of failure in the system.
Explanation:
im in bio class lol but uh this is a definition that can be searched
Answer: All galaxies are moving further away from us due to the expansion of the universe that happened after the big bang
I think #1 is pointing to the cell membrane
#2 is pointing to the nucleus
#3 is pointing to the chromosomes
and #4 is pointing to the cytoplasm