Check the boxes that correctly complete this statement. All isotopes of an element
a) have the same number of neutrons.
b) have the same number of protons.
c) have the same atomic number.
d) have the same mass number.
e) have different chemical properties.

b) have the same number of protons.

c) have the same atomic number.

gravity causes stares to cluster i think so

cytokinesis is the splitting of a cell membrane to form 2 identical daughter cells. it's similar to mitosis as both cells have identical copies of dna and cytokinesis is a step in the mitotic cycle.