Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 15, Problem 3U
In the genetic code, one codon
a. consists of three bases.
b. specifies a single amino acid.
c. specifies more than one amino acid.
d. Both a and b are correct.
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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 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.
Which 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.
..
Chapter 15 Solutions
Biology
Ch. 15.1 - Prob. 1LOCh. 15.1 - Prob. 2LOCh. 15.1 - List the roles played by RNA in gene expression.Ch. 15.2 - Prob. 1LOCh. 15.2 - Describe the characteristics of the genetic code.Ch. 15.2 - Prob. 3LOCh. 15.3 - Prob. 1LOCh. 15.3 - Differentiate among initiation, elongation, and...Ch. 15.3 - Prob. 3LOCh. 15.4 - Prob. 1LO
Ch. 15.4 - Prob. 2LOCh. 15.4 - Explain the differences between bacterial and...Ch. 15.5 - Prob. 1LOCh. 15.5 - Prob. 2LOCh. 15.5 - Prob. 3LOCh. 15.6 - Explain why the tRNA charging reaction is critical...Ch. 15.6 - Prob. 2LOCh. 15.7 - Prob. 1LOCh. 15.7 - Prob. 2LOCh. 15.7 - Compare translation on the RER and in the...Ch. 15.9 - Prob. 1LOCh. 15.9 - Explain the nature of triplet repeat expansion.Ch. 15.9 - Prob. 3LOCh. 15 - Prob. 1DACh. 15 - Prob. 2DACh. 15 - Prob. 1IQCh. 15 - Prob. 2IQCh. 15 - Prob. 3IQCh. 15 - The experiments with nutritional mutants in...Ch. 15 - What is the central dogma of molecular biology? a....Ch. 15 - In the genetic code, one codon a. consists of...Ch. 15 - Eukaryotic transcription differs from prokaryotic...Ch. 15 - An anticodon would be found on which of the...Ch. 15 - RNA polymerase binds to a ________ to initiate...Ch. 15 - During translation, the codon in mRNA is actually...Ch. 15 - You have mutants that all affect the same...Ch. 15 - The splicing process a. occurs in prokaryotes. b....Ch. 15 - The enzyme that forms peptide bonds is called...Ch. 15 - In comparing gene expression in prokaryotes and...Ch. 15 - The codon CCA could be mutated to produce a. a...Ch. 15 - An inversion will a. necessarily cause a mutant...Ch. 15 - What is the relationship between mutations and...Ch. 15 - Prob. 1SCh. 15 - Frameshift mutations often result in truncated...Ch. 15 - Describe how each of the following mutations will...Ch. 15 - There are a number of features that are unique 10...
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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
- 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_forwardThe codons CCU, CCC, CCA, and CCG all code for the amino acid threonine. This is because the genetic code is a,b,c,d, or e? a. generic b. faulty c. reducible d. redundant e. All of the answers are correctarrow_forwardConsider the following DNA sequence:CATGTGTAGTCTAAAa. Write the sequence of the DNA strand that would be repli-cated from this one.b. Write the sequence of the RNA molecule that would betranscribed from the DNA strand.c. State how many codons the sequence specifies.d. State how many amino acids the sequence specifiesarrow_forward
- Which of the following is a characteristic of the genetic code? a. codons and anticodons consist of three bases b. each amino acid is represented by at least one codon c. one or more codons serve to indicate when protein synthesis is to stop d. no individual codons represent more than one amino acid e. More than one response is correctarrow_forwardA codon is a. one of three nucleotides that encode an amino acid. b. three nucleotides that encode an amino acid. c. three amino acids that encode a nucleotide. d. one of four bases in DNAarrow_forwardWhich of the following statements is/are TRUE about wobble base pairing? a. Explains why there are 64 codons but less than 64 tRNAs. b. Codons for an amino acid differ in their 1st base. c. Several tRNAs can bind to more than one anticodon. d. Can minimize damage caused by misreading of the code.arrow_forward
- For each of the following, identify the type of RNA involved (mRNA, rRNA, or tRNA). a. Transports the correct amino acid to the ribosome, using the information encoded in the mRNA. b. Is a major component of ribosomes. c. Specifies the order of amino acids in a protein, using a series of three-base codons, where different amino acids are specified by particular codons. d. Contains a three-base anticodon that pairs with a complementary codon revealed in the mRNA. e. Assists in making the bonds that link amino acids together to make a protein.arrow_forwardWhich of the following most accurately describes the anticodon? A. Contains a sequence complementary to the codon. B. Reintroduces thymine back into the sequence and removes uracil. C. Contains the sequence in the reverse orientation (3-5 vs 5-3). D. Contains a sequence identical to the codon.arrow_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_forward
- Which of the following is true about the genetic code? A. A codon is three to six bases long. B. Each amino acid is specified by only one codon. C. The codon signaling the end of transcription also codes for an amino acid. D. There are multple codons signaling the start of transcription. E. All organisms use essentially the same genetic code.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_forwardThe degeneracy of the Genetic code is due to A. a 1 to 1 correlation between single amino acids and single nucleotides B. The fact that tRNAs can bind to mRNAs at the same time they transfer amino acids to a growing polypeptide chain C. The fact that there is only one start codon D. The fact that the code is non-overlapping E. The fact that more than one codon specifying an amino acid F. None of the abovearrow_forward
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