WorksheetsBIOL309 Exam 2 Lecture Review: Chapter 15 Transcription
Total questions: 19
Worksheet time: 23mins
3 major types of RNA in Transcription
mRNA, siRNA, tRNA
snRNA, mRNA, uRNA
rRNA, siRNA, tRNA, snRNA
mRNA, tRNA, rRNA
Compare: DNA Replication and Transcription
Differentiate: DNA Replication and Transcription
What does RNA polymerase require?
Phosphate ions and uracil
Calcium ions and dNTPs
Manganese ions and UTP
Magnesium ions and rNTPs
How does RNA Pol add ribonucleotides?
3’ OH and build RNA 5’ to 3’
5’ OH and build RNA 3’ to 5’
5’ OH and build RNA 5’ to 3’
3’ OH and build RNA 3’ to 5’
Function: Sigma factor in RNA Pol
RNA Poly in eukaryotes
RNA Pol V
RNA Pol III
RNA Pol IV
RNA Pol II
RNA Pol I
Function: Pol I
Function: Pol II
Function: Pol III
Briefly Describe: Initiation, Elongation, and Termination similarity in Prokaryotes and Eukaryotes (according to lecture slides)
Which strand will be expressed by the RNA?
RNA
Template
Nontemplate
Coding
Transcription begins with a…
(a)
E. Coli generally keeps about __ bp of DNA unwound
15
16
18
17
Topological problems are solved by (a) , which move along DNA
Topological strain is seen in which direction?
Downstream
Upstream
Both
Why is it okay for transcription to have a higher error rate than DNA replication?
DNA is complex, we need energy to fix RNA
Make a lot more RNA
RNA is strict and requires full functionality
RNA does not last long
Nonfunctional RNA is harmless
Simple General Steps of Transcription
Where does much of the regulation of protein levels occur?
Initiation steps
Termination steps
Promoter-Binding sequence
Elongation steps
