例句與造句

1. "' Transcripts of unknown function ( TUFs ) "'is the name that has been suggested for known intergenic or intronic regions of the genome, which is often called junk DNA . This currently makes up much of the human genome, although the percentage of the genome that falls under the TUFs category is likely to go down significantly as more progress is made towards understanding the many roles of RNA.
2. It's difficult to find transcript of unknown function in a sentence. 用transcript of unknown function造句挺難的