The size of a typical bacterial cell is 0.5-5.0 micrometers, a average human cell is 10 micrometers. coli bacterium are about 2.0 micrometers in length and .25 to 1  micrometer in diameter. In comparison, a red blood cell is about  six to eight micrometers in diameter and â¦ a thickness that ranges  from .8 to 1 micrometer in the center to 2 to 2.5 micrometers at  the thickest point.
August 13, 2012 11:20:48 PM. Unlocked GSM phone means that it wouldn't be locked into a specific carrier network. On the upside it means freedom to choose your own GSM carrier that suits your needs (and wallet) best. On the down side several carrier-specific features may not be available. If you lived in US make sure that the unlocked phone is compatible with US GSM frequencies.
An unlocked GSM phone. A SIM card for an unlocked GSM phone. New SIM cards can be placed into an unlocked GSM phone. An unlocked GSM phone can be used with any other carrier who also uses a GSM network. The ability to unlock a cell phone depends on the type of phone and the technology associated with it.View slideshow of images above. Watch the Did-You-Know slideshow. SIM card for an unlocked GSM phone. New SIM cards can be placed into an unlocked GSM phone. An unlocked GSM phone can be used with any other carrier who also uses a GSM network.