Question

Some differentiated cells retain the ability to proliferate as needed to repair damaged tissue throughout the life of the organism. Which of the following cell types do not retain this unique ability?

A. Fibroblasts
B. Neurons
C. Epithelial cells
D. Endothelial cells

Answer 1

B. Neurons

Step-by-step explanation:

Differentiation is the process of transformation of a young and specialized cell into a relatively more specialized cell. During the process, the cells acquire some structural changes and mostly lose the ability to divide. However, some differentiated cells retain the ability to divide and can divide to replace the damaged cells.

Neurons are the structural and functional units of the nervous system. Neurons are differentiated cells and are designated to perform the function of conduction of nerve impulses. Neurons lose the ability to divide during the process of differentiation and cannot resume the ability to proliferate to replace the old or damaged neurons.