Chapter 15 (post)
CpG islands are associated with which of the following? -Nucleosome location -DNA methylation -Steroid hormone activity -cAMP pathway
-DNA methylation
Genomic imprinting is a result of ___________. -nucleosome location -histone activation -DNA methylation -serine to leucine changes in the genetic code
-DNA methylation
Select all structural motifs that promote protein dimerization. -Leucine zipper -Helix-loop-helix -Helix-turn-helix -Zinc finger
-Leucine zipper -Helix-loop-helix
What general transcription factor is most often affected by regulatory transcription factors? -TFIIB -TFIID -TFIIE -TFIIF
-TFIID
Which of the following is true with regards to enhancer sequences? -They are orientation-dependent. -Repressor proteins bind to them. -They may be located either upstream or downstream of the promoter. -They cannot be downstream of the start of transcription.
-They may be located either upstream or downstream of the promoter.