False it is false since pollution isn't only in the city
Transcription is the process by which DNA is copied (transcribed) to mRNA, which carries the information needed for protein synthesis. Transcription takes place in two broad steps. ... The pre-messenger RNA is then "edited" to produce the desired mRNA molecule in a process called RNA splicing.
Google.....................................it
When your breathing faster than you need to
It's between A. Medical Blog and B. A nurse's recommendation