Which statement is not part of the modern cell theory? a) the first cell arrived on earth from outer space. b) all living organisms consist of one or more cells. c) cells arise from other cells. d) all of these statements are part of the cell theory e) none of these statements are part of the cell theory.

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons