Latest Postreplication checkpoint Stories
Cell cycle checkpoints act like molecular tripwires for damaged cells. Leave the tripwire in place for too long, however, and cancer cells will press on regardless, making them resistant to certain types of chemotherapy, according to researchers at the Salk Institute for Biological Studies.
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.