CAMPBELL MASTERING BIOLOGY ACCESS>I<
18th Edition
ISBN: 9781323766286
Author: Pearson
Publisher: PEARSON
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Chapter 14, Problem 7TYU
Summary Introduction
Introduction:
The chromosomes are arranged in a sequenced pattern, which enables the effective transfer of genetic material. Any alteration in the placement of the chromosomes leads to the mutations, such as deletions, duplications, inversions, and translocations. These mutations may have harmful effects on the organism.
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Students have asked these similar questions
Which of the following mutations would be the LEAST likely to have a harmful effect on an organism?
A. insertion of three nucleotides near the middle of a gene
B. a single nucleotide substitution that produces a codon that codes for the same amino acid
C. a single nucleotide insertion near the end of the coding sequence
D. a single nucleotide insertion close to the start of the coding sequence
Give two DIFFERENT examples of how the following can occur:a. A point mutation in an exon that is silent.b. A point mutation in an exon that is NOT silent.c. A point mutation in an intron that is NOT silent.d. A point mutation in a promoter that is NOT silent.
If a mutation deletes the promoter in a eukrayotic gene, which of the following most accurately describes its consequence?
A.
There will be no mRNA or polypeptide made.
B.
The mRNA will be made but no polypeptide is made.
C.
The mRNA will not be processed properly.
D.
Nothing will happen. It is a silent mutation.
Chapter 14 Solutions
CAMPBELL MASTERING BIOLOGY ACCESS>I<
Ch. 14.1 - MAKE CONNECTIONS In a research article about...Ch. 14.1 - What polypeptide product would you expect from a...Ch. 14.1 - DRAW IT The template strand of a gene contains the...Ch. 14.2 - What is a promoter? Is it located at the upstream...Ch. 14.2 - What enables RNA polymerase to start transcribing...Ch. 14.2 - WHAT IF? Suppose X-rays caused a sequence change...Ch. 14.3 - Given that there are about 20,000 human genes, how...Ch. 14.3 - How is RNA splicing similar to how you would watch...Ch. 14.3 - WHAT IF? What would be the effect of treating...Ch. 14.4 - What two processes ensure that the correct amino...
Ch. 14.4 - Discuss the ways in which rRNA structure likely...Ch. 14.4 - Describe how a polypeptide to be secreted is...Ch. 14.4 - WHAT IF? DRAW IT Draw a tRNA with the anticodon...Ch. 14.5 - What happens when one nucleotide pair is lost from...Ch. 14.5 - Prob. 2CCCh. 14.5 - WHAT IF? DRAW IT The template strand of a gene...Ch. 14 - In eukaryotic cells, transcription cannot begin...Ch. 14 - Prob. 2TYUCh. 14 - The anticodon of a particular tRNA molecule is A....Ch. 14 - Prob. 4TYUCh. 14 - Which component is not directly involved in...Ch. 14 - Prob. 6TYUCh. 14 - Prob. 7TYUCh. 14 - Prob. 8TYUCh. 14 - Fill in the following table: Type of RNA Functions...Ch. 14 - SCIENTIFIC INQUIRY Knowing that the genetic code...Ch. 14 - Prob. 11TYUCh. 14 - FOCUS ON INFORMATION Evolution accounts for the...Ch. 14 - SYNTHESIZE YOUR KNOWLEDGE Some mutations result in...
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- A promoter is ______. a. a specific sequence of DNA nucleotides b. a specific sequence of RNA nucleotides c. a protein that binds to DNA d. an enzyme that synthesizes RNAarrow_forwardWhich of the following mutations is likely to be the least harmful? A. A +1 frameshift mutation B. A +3 frameshift mutation C. A - 5 frameshift mutation D. A -1 frameshift mutation E. A point mutation in the first position of the codonarrow_forwardWhich of the following mutations would have the greatest negative impact on the protein product of a gene? A. a single base deletion close to the end of the coding region of a gene. B. a single base insertion near the start of the coding region of the gene C. a base-pair substitution D. a deletion of three bases near the middle of the genearrow_forward
- Which of the following is NOT an outcome of a point mutation? A) position effect B) no effect at all on the phenotype of an organism C) the last half of a protein is not made D) an intron is not removed resulting in a frame-shifted protein E) temperature-sensitive proteinarrow_forwardWhich of the following is true of reverse transcriptase?a. It is required for the movement of DNA transposons.b. It catalyzes the synthesis of DNA from RNA.c. It is required for the transposition of retrotransposons.d. b and c are correct.arrow_forwardWhich type of mutation would expect would have no effect on a protein coding gene in eukaryotes? a.a single base substitution that creates a splice site mutation b.a single base substitution that creates a synonymous mutation c.a single base deletion that creates a frameshift near the 3' end of the open reading frame d.a single base substitution that creates a non-conservative missense mutation e.a single base substitution that creates a conservative missense mutationarrow_forward
- Which among the following statements is not true about mutations? * a.) It may either occur at the chromosomes or at the sequence of nucleic acids. b.) It is caused either by mutagens or through hereditary genes. c.) All mutations cause diseases and disorders in the developing organism. d.) All mutations causes a change in the structure or sequence of the genetic material.arrow_forwarda. The reading frame DNA sequence is b. The mRNA sequence is c. The polypeptide sequence is a.The mutated polypeptide sequence is b.What kind of mutation was produced?arrow_forwardWhich of the following best represents the central dogma of geneexpression?a. During transcription, DNA codes for polypeptides.b. During transcription, DNA codes for mRNA, which codes forpolypeptides during translation.c. During translation, DNA codes for mRNA, which codes forpolypeptides during transcription.d. none of the abovearrow_forward
- Which of the following results in the same amino acid in its protein sequence? a. missense mutation b. sense mutation c. nonsense mutation d. antisense mutationarrow_forward_______ are removed from new mRNAs. a. Introns c. Poly-A tails b. Exons d. Amino acidsarrow_forwardPortions of eukaryotic mRNA sequence that are removed during RNA processing are . a. exons b. caps c. poly-A tails d. intronsarrow_forward
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