Mammals cannot normally regenerate lost limbs However if the

Last updated: 3/25/2023

Mammals cannot normally regenerate lost limbs However if the p21 protein is missing in mice the mice can regenerate lost limbs What does this tell us about the role of p21 All of these The absence of p21 could potentially result in uncontrolled cell growth and the production of cancerous tumors The presence of p21 plays an important role in inhibiting the cell cycle when present The presence of p21 is essential to the normal growth of cells