Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 10, Problem 8SQ
Summary Introduction
Introduction:
“Mutation” is a phenomenon which causes a change in the
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A codon is: a. An alternative name for gene b. Three amino acids that encode a nucleotide c. Three nucleotides that encode an amino acid d. One of three nucleotides that encode and amino acid
Which of the following mutations involve the loss of one or more nucleotides from a gene sequence?
a.Base-pair substitution
b.Insertion
c.Deletion
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 10 Solutions
Campbell Essential Biology (7th Edition)
Ch. 10 - A molecule of DNA contains two polymer strands...Ch. 10 - Name the three parts of every nucleotide.Ch. 10 - List these terms in order of size from largest to...Ch. 10 - A scientist inserts a radioactively labeled DNA...Ch. 10 - The nucleotide sequence of a DNA codon is GTA....Ch. 10 - Describe the process by which the information is a...Ch. 10 - Match the following molecules with the cellular...Ch. 10 - Prob. 8SQCh. 10 - Prob. 9SQCh. 10 - How do some viruses reproduce without ever having...
Ch. 10 - HIV requires an enzyme called _____ to convert its...Ch. 10 - Nearly every organism on Earth shares the...Ch. 10 - Prob. 13IMTCh. 10 - Genes carry the instructions needed to build an...Ch. 10 - A cell containing a single chromosome is placed in...Ch. 10 - In a classic 1952 experiment, biologists Alfred...Ch. 10 - Interpreting Data The graph shows the number of...Ch. 10 - Scientists at the National Institutes of Health...Ch. 10 - Prob. 19BSCh. 10 - Flu vaccines have been shown to be safe, are very...
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- Degeneracy of the genetic code denotes the existence of which of the following? A. codons that can wobble at the 5' position B. multiple codons for a single amino acid C. codons consisting of only two bases D. base triplets that do not code for any amino acid E. codons that are not overlappingarrow_forwardWhich of the following describes the interactions between a codon and an anticodon? A. A codon and an anticodon become covalently bonded together due to the activity of the ribosome. B. A codon and anticodon do not come into direct contact because codons are in the nucleus but anticodons are in the cytoplasm. C. A codon and anticodon are attracted to each other due to hydrogen bonding. D. A codon and an anticodon are linked together by an amino acid. ..arrow_forwardWhich 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 removedarrow_forward
- Which of the following statements are accurate descriptions of the genetic code? MARK ALL THAT APPLY Select one or more: a. The genetic code is made up of triplet nucleotides that specify an amino acid. b. The genetic code is unambiguous because codons only specific a single amino acid. C. The genetic code is read in an overlapping manner. d. The genetic code is redundant because a single codon can specify more than one amino acid. e. Some amino acids are encoded by more than one codon. f. All codons of the genetic code specify amino acids.arrow_forwardA missense mutation is a mutation in which: a. one nucleotide in a codon is changed, but the codon specifies the same amino acid b. a codon is deleted from a gene C. one nucleotide in a codon is changed, and the codon now specifies a different amino acid d. one nucleotide in a codon is changed, and the codon is now a stop codon rather than specifying an amino acid е. a truncated protein is produced by translationarrow_forwardA nonsense mutation Select one: a. results in a larger protein being produced from the mutated gene b. will lead to premature termination of translation c. is the same as a silent mutation d. will lead to the premature termination of transcriptionarrow_forward
- Which 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_forwardA mutation changes a codon that specifies tyrosine into a stopcodon. This type of mutation is aa. missense mutation.b. nonsense mutation.c. frameshift mutation.d. neutral mutation.arrow_forwardA codon is supposed to be 5'-UGG-3', but a mutation causes it be 5'-UAG-3'. Which one of the following descriptions of this mutation is incorrect? a. Missense b. Point mutation c. Transition d. Nonsensearrow_forward
- A small section of a gene for a protein has the following nucleotide sequence: CTA TCC CCT ACG TCA Which of the following mutations would cause a silent mutation in the sequence shown above? a. Replacement of first thymine base with adenine base b. Replacement of second thymine base with guanine base c. Replacement of first cytosine base with guanine base d. Replacement of second adenine base with thymine basearrow_forwardThe codon and anticodon are base-paired together during the process of translation. Which of the following is correct regarding the relationship between anticodon and codon? A. The tRNA anticodon UCU pairs with the AGA mRNA codon. B. The tRNA anticodon is read from the 5’ to the 3’ end. C. A tRNA anticodon can pair with only one mRNA codon. D. The mRNA codon ACG base pairs with the tRNA anticodon TGC.arrow_forwardWhich 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_forward
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