31. Occasionally, the inserted letter creates a stop signal that truncates the APC protein and sabotages its tumor suppressor role. 32. When a train stopped at a red stop signal , its presence on the track started a time delay relay. 33. When an object breaks one or more of the beams a stop signal is sent to the guarded equipment. 34. However, when they take it out for a drive, it is wrecked when another driver ignores a stop signal . 35. What we have at this point is an amber light, in other words, it is not go or stop signal , 36. The conductor of the train bound for Frankfurt ignored the stop signal and crashed into an oncoming, fully occupied train. 37. Needing to pass several stop signals on the shuttle service, the driver had been given special instructions how to proceed. 38. Some stop signals are in the form of a fixed signal, generally a white board with a red solid circle. 39. Honking drivers are a menace at traffic lights, where they blow their horns anticipating that the stop signal will change. 40. During transcription, viral polymerase synthesizes five discrete mRNAs and obeys to stop signals that are present at the gene boundaries.
