Transcription factors in eukaryotes usually have DNA binding ...

[aero]

Transcription factors in eukaryotes usually have DNA binding domains as well as other domains that are also specific for binding. In general, which of the following would you expect many of them to be able to bind?
A) repressors
B) ATP
C) protein-based hormones
D) other transcription factors
E) tRNA

[Hawke]

I'd go with D. It makes sense.

[aero]

Thanks Hawke