WorksheetsReview of Transcription/Translation
Total questions: 9
Worksheet time: 5mins
When RNA is transcribed from a gene, which strand of DNA is most often used?
the template strand
the non template strand
either strand at random
either strand as a regulated function
A transcription unit includes all of the following EXCEPT:
an enhancer
a promoter
coding sequence
terminator
All of the following phrases describe a function of the promoter EXCEPT:
serves as sequences to which the transcription apparatus binds
Determines first nucleotide transcribed
Determines which strand is template
Signals end of transcription
All of the following statements about the process of transcription are correct EXCEPT:
Transcription of a given gene takes place on only one of the two DNA strands.
During transcription the RNA molecule is synthesized in the 3’ to 5’ direction.
During transcription the RNA molecule that is synthesized is anti-parallel and complementary to the template DNA strand.
The start site and direction of transcription are determined by a region of the nontemplate DNA strand known as the promoter.
What would the result be if a specific sigma subunit of bacterial RNA polymerase were mutated?
Nothing; sigma is not essential
RNA polymerase would still bind DNA at specific sites, but will fall off after joining together only a few RNA nucleotides.
RNA polymerase would initiate transcription at random on the DNA.
The core enzyme would not be as stable as usual
All of the following are part of mature mRNA in eukaryotic cells EXCEPT:
5' UTR
5' Cap
Introns
3' Poly-A tail
Through wobble, a single ______ can pair with more than one_______ .
codon; anticodon
tRNA; amino acid
codon in mRNA; DNA strand
anticodon; codon
Any given RNA sequence has _________ possible reading frames, and the correct one is set by a(n) ___________________.
2; termination codon
4; initiation codon
3; initiation codon
3; termination codon
Alternative RNA splicing can cause various forms of proteins from a single gene by:
Intron inclusion
Exon skipping
Repeat mRNA replication
Exon addition
