Flashcards in Quiz 14 - A prescription for Translation Deck (20):
DNA is _________ into RNA which is ________ into protien
According to the central dogma of molecular biology, which of the following is a forbidden direction for the transfer of genetic information?
RNA → DNA
RNA → RNA
DNA → RNA
protein → RNA
choose this answer if all of the above are possible
protein → RNA is forbidden
In eukaryotes, RNA pol ____ transcribes mRNA.
RNA Pol II
In eukaryotes, RNA pol ____ transcribes tRNA.
RNA Pol III
Eukaryotic mRNA is ________cistronic while bacterial mRNA is is ______cistronic
Eukaryotic mRNA = monocistronic
Bacterial mRNA = polycistronic
Eukaryotic mRNA and bacterial mRNA are short or long-lived
Eukaryotic mRNA = long lived
Bacterial mRNA = short lived
The two types of transcription terminators in Escherichia coli are termed what?
Rho-dependent and Rho-independent
Exclusion of intervening sequences are included in ____-________ ________ of eukaryotic mRNA
RNA editing of eukaryotic mRNAs primarily involves
RNA editing of eukaryotic mRNAs primarily involves Uracil
Which of the following statements about the E. coli RNA polymerase holoenzyme is TRUE?
-it does not require a primer for initiating RNA synthesis
- it is composed of the subunits a2bb's ( it's suppose to be alpha beta bate sigma)
- Both A and B
- neither A nor B
Both A and B
Consider the following DNA molecule:
5' TTCCCATTTCGATGGGATACGATGGGCTTATGTGAAAATTTGGGG 3'
3' AAGGGTAAAGCTACCCTATGCTACCCGAATACACTTTTAAACCCC 5'
What is the sequence of the transcribed mRNA, assuming transcription proceeds left to right?
5' UUCCCAUUUCGAUGGGAUACGAUGGGCUUAUGUGAAAAUUUGGGG 3'
True or False. In any given region of eukaryotic DNA, only one strand can act as the coding strand of a gene
True or False. Alternative splicing of a single pre-mRNA may yield different mRNA species that code for different polypeptides
The following DNA fragment is being transcribed by RNA polymerase.
5’ ATTGCC 3’
3’ TAACGG 5’
What is the sequence of transcribed RNA, if the top strand is the noncoding strand?
5’ AUUGCC 3’
5’ UAAGCC 3’
5’ GCCAAU 3’
5’ CCGUUA 3’
none of the above
None of the above
The cap on mRNA consists of a ____________ attached to the ___ end
7-methylguanosine attached to the 5' end
For a given gene, the coding strand of DNA is complementary to ?
The template DNA strand
During transcription initiation in bacteria, the promoter is recognized by what?
The sigma factor
Reverse transcriptase synthesize _____ that is complementary to an ________
DNA; RNA template
Which of the following code for amino acids?