Match the term to the phrase that best describes it An insertion or deletion of a nucleotide base that shifts the reading frame and causes a cascade of amino acid changes A single base substitution that does not change the amino acid due to codon redundancy A single base substitution that does change the amino acid to another (functional) amino acid A single base substitution that changes the amino acid to a premature stop codon making the protein be nonfunctional, or nonsense Frameshift Point - Silent Mutation Point - Missense Mutation Point - Nonsense Mutation
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Match each type of mutation with the corresponding description: (4 points) Missense: A mutation that confers an amino acid substitution. Frameshift: An insertion or deletion of nucleotides that are not in multiples of 3. Nonsense: A mutation that confers a premature stop codon. Silent: A mutation that does not alter the protein sequence.
Keemin L.
where the reading frame is not shifted and the amino acids are not changed: Nucleotide base pair substitution where the reading frame is not shifted but the amino acid is changed to similar amino acid so there may be little effect on the function of the protein: Nucleotide base pair substitution in which normal codon is changed to stop codon, termination the polypeptide early: Nucleotide base pair insertion resulting formation of a stop codon; Single base pair nucleotide deletion resulting in shift in the reading frame such that the polypeptide will be composed of the "wrong" amino acids, and there may be no stop codon; Insertion or deletion of three nucleotides resulting in no missense mutation Immediate nonsense mutation no frameshift, one amino acid added or deleted extensive missense nonsense mutation silent mutation
Sri K.
Match each type of point mutation with its corresponding description. The substitution of a purine for a purine or a pyrimidine for a pyrimidine. The substitution of a purine for a pyrimidine or a pyrimidine for a purine. A base-pair substitution mutation that does not change the encoded amino acid. A base-pair substitution mutation that encodes a different amino acid that is functionally equivalent. A mutation that results in a different amino acid in the protein product of a gene. A mutation that results in the premature termination of translation. A mutation that arises from the addition or deletion of one or more bases, not in multiples of three. Answer Bank transition transversion frameshift mutation neutral mutation synonymous mutation nonsense mutation missense mutation
Katlin K.
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