1.   And the third gene was one that causes the cell to make an enzyme called telomerase.

2.   A single cell makes, checks and even packages an entire product or component.

3.   But in cancer cells the telomerase gene is switched on, and the cell makes genetic sequences that protect the ends of telomeres from shortening.

4.   But it seemed the cells could not make neurons in the higher-function parts of the brain, like the cerebral cortex.

5.   Each time a normal cell makes a copy of itself, the telomeres get a little shorter.

6.   Every cell makes nitric oxide.

7.   He is also trying another approach, getting follicle cells to make their own VEGF.

8.   Immune cells called macrophages make their own hemoglobin, which may release nitric oxide to help kill bacteria, fungi or other parasites.

9.   Most diseases occur when a pathogen or a gene defect causes a cell to make aberrant proteins.

10.   Muscle cells make not only dystrophin but a similar protein called utrophin.