clamp

One of these, C/EBPα, acts as a clamp that keeps the cells from behaving like stem cells.

The arrests come as police work to clamp down on the increasing number of "proxies" being recruited by foreign intelligence services, the force said.

Prime Minister Sir Keir Starmer announced the plans for the wider scheme last month as part of efforts to clamp down on illegal working.

Assuming Jackson is healthy, the two backs are likely to share the load for USC Saturday against the Irish, who have clamped down in recent weeks against the run.

It’s also dangerous, because the populists use this story to justify clamping down on trade, immigration and basic freedoms.