ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
3rd Edition
ISBN: 9780135964422
Author: Urry
Publisher: PEARSON
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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
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
Define the following terms: a. open reading frame b. degenerate coding system c. nonoverlapping coding sequence d. codon e. anticodon
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.
Chapter 18 Solutions
ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
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
- Define the following terms: a. transcript b. proteome c. metabolome d. double helix e. base stackingarrow_forwardThe 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 mutationarrow_forwarda 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 gtggactgaca. briefly explain how to obtain the desired gene answerarrow_forward
- What 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_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_forwardThe AUC and AUA codons in mRNA both specify isoleucine. What feature of the genetic code explains this? a. complementarity b. nonsense codons c. universality d. degeneracyarrow_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_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_forwardWhich of the following statements below is incorrect? * A. the genetic code is overlapping B. the genetic code is universal C. degenerate codon specify the same amino acids D. the genetic code is triplet Which protein can break covalent bond? * A. Helicase B. Primase C. SSB D. DNA gyrase What is the complementary hnRNA base sequence produced from the DNA base sequence 5' C-T-A-T-A-C 3'? * A. 3' C-A-T-A-T-C 5' B. 3' G-A-T-A-T-G 5' C. 3' G-A-U-A- U-G 5' D. 3' C-U-A-U-A-G 5' Which of the following statements concerning the " cloverleaf" shape of tRNA molecules is correct? * A. four hairpin loops are present B. three hairpin loops and one open end are present C. two hairpin loops and two open ends are present…arrow_forward
- Why 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_forwardA 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_forwardConsider the mRNA base sequence 5' ACC CAC 3'. what dipeptide is coded for by this mRNA? * A. Asparagine- Histidine B. Lysine -Serine C. Aspartic Acid - Histidine D. Lysine-Glysine Look at the following sequence, " THE FAT CAT ATE THE CAT" Remove the first "H" and regroup the letters in group of three. What type of mutation? * A. Deletion-Frameshift B. Insertion- frameshift C. Substitution-Deletion D. Substitution-Insertion Which of the following types of RNA is involved in the transcription phase of protein synthesis? * A. rRNA B. tRNA C. hnRNA D. no correct response A tRNA molecule has the anticodon 5' AAG 3', with which mRNA codon will this anticodon interact? * A. 5' AAG 3 B. 5' CUU 3' C. 3' GAA 5'…arrow_forward
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