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Questions and Answers
Which of the following is true about MiRNAs?
Which of the following is true about MiRNAs?
- They are only found in prokaryotic cells.
- They control gene expression by binding to DNA.
- MiRNAs are involved in RNA interference.
- They are noncoding RNAs. (correct)
What is the function of Long noncoding RNAs like Xist?
What is the function of Long noncoding RNAs like Xist?
- Break down proteins in the proteasome.
- Inactivate the X chromosome in females. (correct)
- Initiate translation in eukaryotic cells.
- Control gene expression by splicing RNA.
What is the significance of the 'wobble position' in codons?
What is the significance of the 'wobble position' in codons?
- Determines the stop codon on mRNA.
- Allows for multiple codons to specify the same amino acid. (correct)
- Prevents mutations during DNA replication.
- It indicates the start codon in translation.
Which of the following antibiotics blocks the peptidyl transferase reaction on ribosomes?
Which of the following antibiotics blocks the peptidyl transferase reaction on ribosomes?
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'Transitions' in point mutations involve changes between which nucleotides?
'Transitions' in point mutations involve changes between which nucleotides?
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'Missense mutations' result in:
'Missense mutations' result in:
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'Germ-line cells' give rise to:
'Germ-line cells' give rise to:
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'Signal transduction' is the process of:
'Signal transduction' is the process of:
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'SNPs' cause polymorphism by:
'SNPs' cause polymorphism by:
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'Proteasomes' in eukaryotic cells are responsible for:
'Proteasomes' in eukaryotic cells are responsible for:
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