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Questions and Answers
What is the direction in which the RNA chain grows during transcription?
What is the direction in which the RNA chain grows during transcription?
- 3' to 5' direction
- the direction of the template strand
- the direction of the coding strand
- 5' to 3' direction (correct)
Which of the following modifications occurs to all eukaryotic mRNA?
Which of the following modifications occurs to all eukaryotic mRNA?
- addition of a poly(G) tail to the 5' end of the molecule
- addition of a poly(A) tail to the 3' end of the molecule (correct)
- methylation of the 2' hydroxyl on the last nucleotide of the molecule
- hydrolysis of the terminal phosphate from the 5' triphosphate end of the molecule
Can transcription and translation occur together in eukaryotic cells?
Can transcription and translation occur together in eukaryotic cells?
- Depends on the type of cell
- True
- Sometimes
- False (correct)
What is the direction in which RNA polymerase travels along the template strand during transcription?
What is the direction in which RNA polymerase travels along the template strand during transcription?
What is the first step in gene transcription?
What is the first step in gene transcription?
What is the component labeled as A in the RNA molecule?
What is the component labeled as A in the RNA molecule?
What is the percentage of adenine in the DNA of a particular animal species if it is 15% thymine?
What is the percentage of adenine in the DNA of a particular animal species if it is 15% thymine?
During eukaryotic translation, how is the initiation codon found?
During eukaryotic translation, how is the initiation codon found?
What is the primary factor in determining how quickly an mRNA is degraded?
What is the primary factor in determining how quickly an mRNA is degraded?
What is the consequence of alternative splicing?
What is the consequence of alternative splicing?
What is a prerequisite for reading the genetic code?
What is a prerequisite for reading the genetic code?
What is the sequence of the template DNA strand if the RNA strand has the sequence GAGC?
What is the sequence of the template DNA strand if the RNA strand has the sequence GAGC?
What is the result of a mutation in the coding region of a gene?
What is the result of a mutation in the coding region of a gene?
What is true about the coding sequences of most eukaryotic genes?
What is true about the coding sequences of most eukaryotic genes?
What is the purpose of the poly(A) tail on eukaryotic mRNA?
What is the purpose of the poly(A) tail on eukaryotic mRNA?
What is the relationship between transcription and translation?
What is the relationship between transcription and translation?
What is a characteristic of the association between amino acids and codons?
What is a characteristic of the association between amino acids and codons?
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