Download Aptitude Crack
img not found img not found

Transcription and Regulation - Medical Science

Q1:

The transcriptional regulatory proteins in eukaryotes which induce transcription usually have

A at least two distinct domains of protein structure, a DNA binding domain and an activation domain

B at least two distinct domains of protein structure and a DNA binding domain

C at least one distinct domains of protein structure, a DNA binding domain and an activation domain

D none of these

ANS:A - at least two distinct domains of protein structure, a DNA binding domain and an activation domain

Can anyone tell me why it is A and not C? I got a bit confused after looking at all textbooks.

Thanks!