A mutation in the Duchenne muscular dystrophy gene involves the deletion of two bases and their replacement by two new bases. The deletion is shown below. AAG ↻Deleted bases The deleted bases are replaced by two guanine bases. The transcription of the mutated Duchenne muscular dystrophy gene described above results in the replacement of a Select one: a. lysine codon with a serine codon b. phenylalanine codon with a serine codon c. phenylalanine codon with an arginine codon d. lysine codon with an arginine codon

Q: Which of the following could increase the amount of peptide translated from an MRNA transcript?…

A: The transcription is the process by which mRNA is produced from the DNA template and it is the first…

Q: a. What are the nucleotides of the mRNA from gene Z? b. What are the amino acids encoded by gene Z?…

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Q: If a mutation deletes the start codon in a eukrayotic gene, which of the following most accurately…

A: The start codon is a three-nucleotide long sequence in a gene that is responsible for the initiation…

Q: The change of a UAC codon (Tyr) to a UAG codon (Stop) is an example of a:     A. nonsense…

A: Option A is correct.The change of a UAC (uracil-adenine-cytosine) codon (tyrosine) to a UAG…

Q: Which of the following is true for both prokaryotic and eukaryotic gene expression? A. After…

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Q: If a gene sequence is more tightly coiled around histones, then which of the following is the most…

A: When DNA or gene sequence is strongly attached to histones, however, transcription factors and RNA…

Q: A mutation changes a codon that specifies tyrosine into a stopcodon. This type of mutation is aa.…

A: The mutation is the alteration in the structure and sequence of the DNA which is the genetic…

Q: Which of the following is/are a role for the poly-A tail? (Select all that apply.) a) Facilitates…

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Q: Synonymous mutations are: O a. a change from a stop codon to an amino-acid coding codon. O b.…

A: Genes are the units (physical and functional) of heredity, made up of DNA or deoxyribonucleic. They…

Q: Consider a stretch of DNA (a hypothetical gene) that has the sequence 5’ ATG-CTA-TCA-TGG-TTC-TAA 3’…

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Q: The asterisk (*) in the diagram below indicates a single base mutation in the 5' splice site of the…

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Q: Which of the following is not involved in the elongation of prokaryotic peptide? a. EE-Tus, EE-Ts,…

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Q: Which of the following is NOT a component of the 30S initiation complex? A. EF-Tu and EF-Ts B.…

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Q: DNA mutations can affect the reading frame for the genetic code. What is a human condition caused by…

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Q: Which of the following statements best describes the promoter of a protein-coding gene?   A. The…

A: E- The promoter is a nontranscribed region of a gene

Q: Which of the following makes alternative RNA splicing possible? Group of answer choices A. Parts of…

A: Option A

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A: A)

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Q: During translation, ____________ is the step in which new t-RNA is attracted to the ribosome (a)…

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Q: A nonsense mutation Select one: a. results in a larger protein being produced from the mutated gene…

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Q: The change of a UAC codon (Tyr) to a UAU codon (Tyr) is an example of a:     A. missense…

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Q: A codon is supposed to be 5'-UGG-3', but a mutation causes it be 5'-UAG-3'. Which one of the…

A: Mutations are sudden changes in the genetic material. Mutations are heritable. Mutations are random.…

Q: A gene contains the sequence CGCATACGGTAC that results in the amino acid sequence arg-ile-arg- tyr.…

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Q: Choose all of the following that you think are correct Protein(s) that play a role in initiating…

A:

Q: A disease is caused by having no functional protein produced from the KIP gene. An individual has…

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A:

Q: The initiation factors a. help assembling both ribosomal subunits with mRNA and initiator tRNA b.…

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Q: If a mutation occurred in a control element sequence associated with a particular gene, which of the…

A: Transcription is found in the nucleus. It makes RNA from template strand of DNA.

Q: A partial DNA sequence, a partial MRNA transcript, and part of the CFTR polypeptide in a cystic…

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Q: Which of the following characteristics is typical of a eukaryotic gene that can be transcribed? a.…

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Q: Below is a graphical representation of eukaryotic precursor mRNA.…

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Q: For the given mutation below,please write down the reverse mutation and any intragenic suppressor…

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.