15. Gene Expression
Review of Transcription vs. Translation
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- Multiple Choice
What is the central dogma of molecular biology directly referring to?
2897views17rank - Open Question
Consider a DNA template strand of the following sequence: 5'-A C T G C C A G G A A T-3'.
A) What is the sequence of the corresponding DNA coding strand? Include directionality.
DNA Template Strand: 5'-A C T G C C A G G A A T-3'.
DNA Coding Strand:
B) What is the sequence of the corresponding mRNA strand? Include directionality.mRNA Strand:
3402views35rank2comments - Open Question
Consider a DNA coding strand with the following sequence: 3'-C T T C A T A G C T C G-5'.
Use the genetic code to determine the corresponding amino acid sequence of the translated protein.
DNA Coding Strand: 3'- C T T C A T A G C T C G -5'
mRNA Strand:
Protein Sequence:6651views11rank3comments - Multiple Choice
Which of the following polypeptide chains are synthesized from the RNA sequence:
5' – AUGAUCCGAAGUGGCACAGCAUAA - 3'
2180views14rank - Multiple ChoiceAt one point, as a cell carried out its day-to-day activities, the nucleotides GAT were paired with the nucleotides CUA. This pairing occurred __________.1288views
- Multiple ChoiceWhich summary of protein synthesis is correct?1723views
- Textbook QuestionThe primary cause of death from αα-amanitin poisoning is liver failure. Suppose a physician informs you that liver cells die because their rate of protein production falls below a level needed to maintain active metabolism. Given that αα-amanitin is an inhibitor of transcription, you wonder if this information is correct. Propose an experiment to determine whether the toxin also has an effect on protein synthesis.797views
- Textbook Question
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Eating even a single death cap mushroom (Amanita phalloides) can be fatal due to a compound called α-amanitin, a toxin that inhibits transcription.
The primary cause of death from α-amanitin poisoning is liver failure. Suppose a physician informs you that liver cells die because their rate of protein production falls below a level needed to maintain active metabolism. Given that α-amanitin is an inhibitor of transcription, you wonder if this information is correct. Propose an experiment to determine whether the toxin also has an effect on protein synthesis.
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