When do cells divide? select all that apply.
a) when they grow large enough to have enough cytoplasm to distribute to their two daughter cells
b) when neighboring cells die, opening up space in a tissue to be occupied by new cells
c) when they snugly contact neighboring cells or when nutrients or growth factors are withdrawn
d) when they have replicated their DNA, so they can give each daughter cell a duplicate set of genes
a) when they grow large enough to have enough cytoplasm to distribute to their two daughter cells
b) when neighboring cells die, opening up space in a tissue to be occupied by new cells
d) when they replicated their DNA, so they can give each daughter cell a duplicate set of genes
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