Every cell of the organism has the same DNA sequence and same genes. However, not all genes are expressed in every single cell at the same time. Only those genes necessary for a specialised function of a specialised cell are expressed in the specialised cell. For example, skin cells have some different proteins than nerve cells. Genes responsible for those "skin proteins" are activated in skin cells and are turned off in nerve cells.
B cover the cut with a clean dressing and apply pressure.
hope this helps (;
Plant cell. it an keep its shape beacuse it has a cell wall. it might have chlorophyll in it which allows photosynthesis
Vein because they have valves to prevent back flow of blood.
