Inside the cells of a corn plant, tiny molecules called RNA relay messages to help with cell activity.
玉米植株细胞内，作为RNA的中继消息的小分子帮助细胞保持活性。
2
The transmission of an extracellular signal from the surface of the cell to the nucleus by a relay of protein-protein and protein-ligand interactions.
细胞外的信号通过蛋白与蛋白和蛋白与配体的作用由细胞表面传送到细胞核。
3
If the load resistor was connected directly across the voltmeter input terminals, the current through the relay contacts would cause a voltage drop and the measured cell voltage would be in error.