The promoter region of a gene has undergone an inversion such that the 3â² end of the initiation site is upstream of the rest of the promoter sequence. This will affect the transcription of this gene in all the following ways except
a. the determination of the coding strand.
b. the orientation of the RNA polymerase.
c. the binding of RNA polymerase to the initiation site.
d. the separation of the double-stranded DNA.
e. the nucleotide with which transcription begins.
The promoter region of a gene has undergone an inversion such that the 3â² end of the initiation site is upstream of the rest of the promoter sequence. This will affect the transcription of this gene in all the following ways except
a. the determination of the coding strand.
b. the orientation of the RNA polymerase.
c. the binding of RNA polymerase to the initiation site.
d. the separation of the double-stranded DNA.
e. the nucleotide with which transcription begins.
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Related questions
Which type of RNA is unique to eukaryotes?
mRNA | ||
rRNA | ||
tRNA | ||
snRNA | ||
Its a trick, all cells have all four types of RNA. |
1 points
QUESTION 2
The region of DNA to which RNA polymerase binds to initiate transcription is the:
origin | ||
promoter | ||
enhancer | ||
none of the above are correct |
1 points
QUESTION 3
Holoenzyme:
is RNA polymerase core enzyme. | ||
is sigma factor. | ||
is core plus sigma factor. | ||
none of the above are correct. |
1 points
QUESTION 4
Which of these is formed FIRST when RNA polymerase binds to a promoter?
The closed promoter complex | ||
The open promoter complex | ||
A rho-independent terminator | ||
none of the above are correct. |
1 points
QUESTION 5
A hairpin loop followed by a run of Us:
is the sequence formed in the sense strand of a gene using a rho-independent terminator. | ||
is the sequence recognized by the rho protein. | ||
is the structure formed in RNA that causes rho-independent termination. | ||
is formed immediately after the open promoter complex is formed. |
1 points
QUESTION 6
RNA polymerase:
reads the template strand of the DNA in the 3' to 5' direction. | ||
synthesizes the RNA in the 5' to 3' direction. | ||
can begin transcription without a primer. | ||
all of the above are correct. |
1 points
QUESTION 7
Which of the following statements is FALSE?
Bacteria like E. coli have only one type of sigma factor. | ||
RNA polymerase has no proofreading activity. | ||
The promoter of a gene is upstream of the RNA-coding region. | ||
Bacterial transcriptional terminators are copied into RNA to cause termination. |
1 points
QUESTION 8
If the template strand of a gene has the sequence 5' ATGCGAT 3', then:
the RNA produced will have the sequence 5' AUGCGAU 3'. | ||
the RNA produced will have the sequence 5' UAGCGUA 3'. | ||
the RNA produced will have the sequence 5' AUCGCAU 3'. | ||
None of the above are correct. |
1 points
QUESTION 9
The sense strand:
is the lagging strand | ||
is also the template strand. | ||
always goes left to right. | ||
none of the above are correct. |
1 points
QUESTION 10
Which of these is transcribed but not translated?
mRNA | ||
tRNA | ||
rRNA | ||
all of the above | ||
tRNA and rRNA are transcribed but not translated. |
please help i am a bit confused