Quiz 4

Question 1

Which of the following is not involved in transcription?

ligase
transcription factors
all of these are involved in transcription
RNA polymerase II

Answer 1

ligase

Question 2

Which of the following is not a part of a transcriptional unit?

introns
3’ regulatory sequences
exons
5’ non-coding sequences

Answer 2

3’ regulatory sequences

Question 3

What is a difference between prokaryotic and eukaryotic transcription?

eukaryotic mRNA needs to be spliced after transcription while prokaryotic mRNA does not
none of the above
eukaryotic transcription involves the usage of a sigma factor while prokaryotic transcription does not
eukaryotic transcription involves the usage of a rho factor while prokaryotic transcription does not

Answer 3

eukaryotic mRNA needs to be spliced after transcription while prokaryotic mRNA does not

Question 4

Which of the following is not a type of gene splicing?

alternative 5’ splice site
mutually exclusive exons
intron retention
intron skipping

Answer 4

intron skipping

Question 5

Which of the following are ways that eukaryotic gene expression can be regulated?

transcription factors
chromatin accessibility
RNA stability
all of the above

Answer 5

all of the above

Question 6

Which of the following is not one of the steps of translation?

initiation
termination
conjugation
elongation

Answer 6

conjugation

Question 7

What is the purpose of ribosomes?

to catalyze the degradation of proteins
to synthesize tRNAs
to catalyze the joining of amino acids as directed by mRNA
to synthesize elongation factors

Answer 7

to catalyze the joining of amino acids as directed by mRNA

Question 8

Which of the following is not a type of translation initiation?

all of the statements are types of translation initiation
cap-regulation
cap-independent
cap-dependent

Answer 8

cap-regulation

Question 9

How can gene expression be regulated in eukaryotes?

all of the above
methylation of bases in DNA
miRNA
RNA binding proteins

Answer 9

all of the above

Question 10

Which of the following is not a difference between translation in prokaryotes and eukaryotes?

ribosomes in prokaryotes are in the cytoplasm while ribosomes in eukaryotes are attached to the ER
eukaryotes have bigger ribosomes than prokaryotes
prokaryotes have more translational factors than eukaryotes
eukaryotes have more translational factors than prokaryotes

Answer 10

prokaryotes have more translational factors than eukaryotes