All the other cells lacked the new aerobic technology of this cell.

The cell, while secure and strong, lacked a rolling food carrier.

Might proliferation occur because the cells in question lacked the essential material and got out of control?

Adjacent normal cells in such patients' tissues lacked any evidence of the defect.

The little cell lacked the latitude necessary for the attackers to bring their greater numbers into play effectively.

In albinism the cells lack the ability to produce pigment altogether.

In one, a gene is transferred into cells lacking that gene.

These were simple organisms with single cells lacking nuclei.

This cell lacked one qualification; it had no lock.

In mammals, some cells (red blood cells) lack a nuclear genome entirely.