42.7 g of Cu represents how many kg? 1. 0.0427 kg
2. 4.27 × 101
kg
3. 4.27 × 104
4. 42,700 k

cell differentiation  is how generic embryonic  cells  become specialized  cells. this occurs  through a process called gene expression. gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a  cell  functions.

explanation:

ya te mando la respuesta