upstream activating sequence造句

例句与造句

1. The sequence identified overlapped a binding site for " GAL4 " protein, which is a positive regulator for transcription which coincides with the function of upstream activating sequences.
2. One allele of " REG1 ", the suppressor mutant " sia1-1 ", was capable of suppressing the inositol auxotrophy, revealing a possible pathway for the repression of inositol-sensitive upstream activating sequence-containing genes of yeast.
3. It's difficult to find upstream activating sequence in a sentence. 用upstream activating sequence造句挺难的