CAMPBELL BIOLOGY IN FOCUS-TEXT,AP ED.
3rd Edition
ISBN: 9780136811206
Author: Urry
Publisher: SAVVAS L
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Textbook Question
Chapter 18, Problem 3TYU
Two eukaryotic proteins have one domain in common but are otherwise very different. Which of the following processes is most likely to have contributed to this similarity?
- A. gene duplication
- B. alternative splicing
- C. exon shuffling
- D. random point mutations
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Students have asked these similar questions
Which of the following statements are NOT true?
A. Replication is the process of making DNA and takes place in the nucleus of prokaryotic cells.
B. Translation produces a polypeptide that may require additional processing to become a functional protein
C. Transcription starts at the promoter of eukaryotic cells and scans until reaches the start codon.
D. Splicing results in exons being put together and introns being removed
The change of a UAC codon (Tyr) to a UAU codon (Tyr) is an example of a:
A.
missense mutation
B.
silent mutation
C.
frameshift mutation
D.
nonsense mutation
The change of a UAC codon (Tyr) to a UAG codon (Stop) is an example of a:
A.
nonsense mutation
B.
frameshift mutation
C.
silent mutation
D.
missense mutation
Chapter 18 Solutions
CAMPBELL BIOLOGY IN FOCUS-TEXT,AP ED.
Ch. 18.1 - Prob. 1CCCh. 18.2 - Prob. 1CCCh. 18.2 - Explain the advantage of the systems biology...Ch. 18.2 - Prob. 3CCCh. 18.3 - The best estimate is that the human genome...Ch. 18.3 - Prob. 2CCCh. 18.3 - Prob. 3CCCh. 18.4 - Discuss the characteristics of mammalian genomes...Ch. 18.4 - Which of the three mechanisms described in Figures...Ch. 18.4 - Prob. 3CC
Ch. 18.5 - Describe three examples of errors in cellular...Ch. 18.5 - Prob. 2CCCh. 18.5 - Prob. 3CCCh. 18.6 - Would you expect the genome of the macaque (a...Ch. 18.6 - Prob. 2CCCh. 18 - Prob. 1TYUCh. 18 - Prob. 2TYUCh. 18 - Two eukaryotic proteins have one domain in common...Ch. 18 - DRAW IT Comparing amino acid sequences of similar...Ch. 18 - SCIENTIFIC INQUIRY The scientists mapping human...Ch. 18 - FOCUS ON EVOLUTION Genes important in the...Ch. 18 - FOCUS ON INFORMATION The continuity of life is...Ch. 18 - SYNTHESIZE YOUR KNOWLEDGE Insects have three...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statements about codons in prokaryotic cells and eukaryotic cells is correct? A. Prokaryotic codons are longer than eukaryotic codons. B. Eukaryotic codons are made of DNA, and prokaryotic codons are made of RNA. C. Prokaryotes do not have mRNA, so there are no codons. D. Codons are very similar, no matter whether the cell is prokaryotic or eukaryotic.arrow_forwardA protein is normally secreted from the cell. A team of scientists attempts to redirect this protein to the inside of the nucleus by mutating the sequence of the gene. Unfortunately, after this mutation, the protein is no longer secreted, but it is now localized to the cytosol and not the nucleus. Briefly answer the two questions below: Identify the sequence that was mutated by the scientists and explain your reasoning. a. b. What additional mutation must be made by the scientists to redirect this protein to the nucleus? Explain your reasoning.arrow_forwardWhich of the following mutations involve the loss of one or more nucleotides from a gene sequence? A. Deletion B. Insertion C. Base-pair substitutionarrow_forward
- Which of the following mutations involve the loss of one or more nucleotides from a gene sequence? a.Base-pair substitution b.Insertion c.Deletionarrow_forwardWhat are the most highly-conserved regions of human DNA (when compared to similar DNA sequences in closely-related animals)? A. transposons B. non-transcribed spacers C. introns D. pseudogenes E. exonsarrow_forwardThe original DNA base sequence is 5’-AGCGTTACCGT-3’; a mutation in the DNA strand results in the base sequence 5’-AGGCGTTACCGT-3’. What can you conclude about the mutation? A. It is a frameshift mutation. B. It is a silent mutation. C. It is a deleterious mutation. D. It may result in a single amino acid change in the protein being coded for by this base sequence.arrow_forward
- A molecular geneticist hopes to find a gene in human liver cells that codes for an important blood-clotting protein. He knows that the nucleotide sequence of a small part of the gene is GTGGAСTGACA. Briefly explain how to obtain the desired gene.arrow_forwardWhy might a single base-pair mutation in eukaryotic mRNA be less serious than one in prokaryotic mRNA? a. If the mutation occurs in the 5' end of the start site, it will not affect the gene product. b. If the mutation occurs in the exon, it will not affect the gene product. c. If the mutation occurs in the splice site of a transcript with alternative splicing, only one gene product may affected. O d. If the mutation occurs in the intron or not in the splice site of a transcript with alternative splicing, it will nc affect the gene product. O e. If the mutation occurs in the 3' end of the start site, it will not affect the gene product. OLIE STIC N 1Aarrow_forwardWhich of the following mutations is most likely to cause a single amino acid difference during the translation of mRNA into protein? A. Single base-pair insertion B. Single base-pair deletion C. Mutations in regulatory sites D. Base-pair substitutionarrow_forward
- Geneticists have found that when they cut out a eukaryotic gene from genomic DNA that they can hybridize one of the strands of that gene to the mRNA for that gene by allowing the strands to hydrogen bond. Why did the appearance of these hybridized strands provide evidence of the existence of introns in eukaryotic genes?arrow_forwardThe following video shows the translation process in eukaryotes. https://www.youtube.com/watch?v=qIwrhUrvX-k Based on the video, which signal serves a similar function as the Shine-Dalgarno Sequence in prokaryotes? A. The promoter region B. 5' CAP C. Poly(A) tail D. Start codonarrow_forwardRank the following DNA changes in order from least likely to change a phenotype to most likely to change a phenotype. Explain your ranking. A. A C → T change in an exon that results in an amino acid change in the resulting protein from alanine to valine (a conservative change) B. A C → T change in an exon that does not result in an amino acid change but introduces a new splice site C. A 2 bp insertion in the 3rd to last codon of a gene D. An expansion of a CGG repeat in the promoter of a gene from 50 copies to 200 copies E. A duplication of an entire genearrow_forward
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