BIOL 304 Exam 3 – Verified Questions and Answers (A Grade)

BIOL 304 EXAM 3 QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) A GRADE


-10 Sequence - correct answer- TATAAT; unwinding
domian; conversed sequence in prokaryotic transcription
promoter


-35 Sequence - correct answer- TTGACA; Signal for RNA
pol to initially recognize promoter


Carboxy-terminal domain (CTD) - correct answer-
YSPTSPS only in RNA Pol II; regulates transcription


CCAAT (CAT) box - correct answer- RNA Pol II activator
found at -75


Conserved Sequence for Splice Junction - correct answer-


Core Promoter - correct answer- minimal amount of DNA
that you need to assemble some transcription


CpG Islands - correct answer-

, DPE - correct answer- - component of core promoter in
RNA Pol II
- located +28 to +32
- usually found in promoters INSTEAD of TATA


Enhancer - correct answer-


GC box - correct answer- RNA Pol II activator found at -90


Rho Factor - correct answer- needed in Rho-dependent
termination of prokaryotic transcription; attaches to mRNA
strand then tracks up to pol to cause its release


RNA Pol I - correct answer- -Located in nucleolus
-NOT inhibited by alpha-amanitin
-makes 18S, 28S, and 5.8S rRNAs


RNA Pol II - correct answer- -Located in nucleoplasm
-inhibited by alpha-amanitin
-make pre-mRNA & stRNA