Cells know how to differentiate through a process called gene expression. It’s a specific combination of genes that are turned on and off.
Because with out energy we wouldn't be moving and we would always be sleeping.
The hormones are sent as chemical signals
<span>Karotypes are best prepared using cells that have been arrested in metaphase. In metaphase or prometaphase, the chromosomes are most condensed.</span>
Enzymes is a phycical protein folding.
