RNA interference can repress proteins by all of the following mechanisms EXCEPT:

a. promoting histone acetylation.
b. promoting histone methylation.
c. promoting mRNA degradation.
d. blocking translation.

The following are all examples of a histone modification EXCEPT:

a. acetylation to repress transcription.
b. acetylation to activate transcription.
c. methylation to repress transcription.
d. methylation to activate transcription.

3 answers

D, B
A,C
RNA interference can repress proteins by all of the following mechanisms EXCEPT:

a. promoting histone acetylation.

The following are all examples of a histone modification EXCEPT:

a. acetylation to repress transcription.

I know for a fact that both of these are correct.