Is the following statement true or false? Environmental pressures cannot lead to adaptations over time, only mutations can.
True
False

What happens when the cell copies its chromosomes

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

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