Activator protein 1 (AP-1) consists of c-jun protein and c-fos proteins. The type of protein motif that make it bind to DNA is:()
A. Leucine zipper
B. HLH
C. HTH
D. Zif
查看答案
TATA box only exists in the promoter of genes transcribed by RNA polymerase II.()
Because RNA polymerase does not have exonuclease activity, the transcription process have no proofreading function.()
Transcription activator has a DNA-binding domain as well as transcription activation domain.()
TFIIH factor has kinase activity, which can promote RNA polymerase II escaping from the promoter.()