Before a cell divides during mitosis what must occur ?

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides