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Questions and Answers
What is the role of tRNA anticodons in translation?
What is the role of tRNA anticodons in translation?
- They unwind the DNA double helix.
- They create hydrogen bonds between nucleotides.
- They attach to mRNA codons to bring the corresponding amino acid. (correct)
- They synthesize new DNA strands.
During translation, what is the main function of amino acids?
During translation, what is the main function of amino acids?
- To act as enzymes for DNA replication.
- To form hydrogen bonds with DNA strands.
- To build proteins based on the mRNA sequence. (correct)
- To determine the genetic code.
Which of the following is NOT a common cause of mutations?
Which of the following is NOT a common cause of mutations?
- Healthy lifestyle choices. (correct)
- Exposure to mutagenic chemicals or radiation.
- Environmental factors.
- Errors during DNA replication.
What happens when a mutation alters the DNA sequence in a gene?
What happens when a mutation alters the DNA sequence in a gene?
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Which type of mutation results in the substitution of one nucleotide base for another?
Which type of mutation results in the substitution of one nucleotide base for another?
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What is the main difference between a deletion mutation and an insertion mutation?
What is the main difference between a deletion mutation and an insertion mutation?
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Which type of mutation occurs when one or more nucleotides are added to or removed from the DNA sequence?
Which type of mutation occurs when one or more nucleotides are added to or removed from the DNA sequence?
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What is a missense mutation?
What is a missense mutation?
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What is a silent mutation?
What is a silent mutation?
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Which type of mutation can change multiple codons following the mutation point?
Which type of mutation can change multiple codons following the mutation point?
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