Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781259709227
Author: Marjorie Kelly Cowan Professor, Heidi Smith
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 8, Problem 4Q
Which of the following is a characteristic of RNA?
- a. RNA is doublestranded.
- b. RNA contains thymine, which pairs with adenine.
- c. RNA contains deoxyribose.
- d. RNA molecules are necessary for translation and gene regulation.
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Which of the following is a true statement concerning RNA?
Group of answer choices
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d. tRNA contains the base thymine
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Which of the following BEST describes the characteristics and function of siRNA?
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B. a short strand of RNA that can act as a transcription factor to initiate transcription
C. a strand of DNA that can bind to and inactivate an mRNA sequence
D. a tRNA that is not able to attach to a ribosome and therefore inhibits the process of translation
Chapter 8 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 8.1 - Define the terms genome and gene.Ch. 8.1 - Differentiate between genotype and phenotype.Ch. 8.1 - Draw a segment of DNA, labeling all important...Ch. 8.1 - Summarize the steps of bacterial DNA replication,...Ch. 8.1 - Compare and contrast the synthesis of leading and...Ch. 8.1 - Prob. 1NPCh. 8.2 - Provide an overview of the relationship among DNA,...Ch. 8.2 - Identify important structural and functional...Ch. 8.2 - Draw a picture of the process of transcription.Ch. 8.2 - List the three types of RNA directly involved in...
Ch. 8.2 - Prob. 10AYPCh. 8.2 - Identify the locations of the promoter, the start...Ch. 8.2 - Indicate how eukaryotic transcription and...Ch. 8.2 - NCLEX PREP 2. The following are all true of RNA,...Ch. 8.2 - Prob. 3NPCh. 8.3 - Define the term operon, and explain one advantage...Ch. 8.3 - Prob. 14AYPCh. 8.4 - Prob. 15AYPCh. 8.4 - Prob. 16AYPCh. 8.5 - Prob. 17AYPCh. 8.5 - Differentiate among frameshift, nonsense, silent,...Ch. 8.5 - Prob. 19AYPCh. 8.5 - Prob. 1MMCh. 8.6 - Explain the importance of restriction...Ch. 8.6 - List the steps in the polymerase chain reaction.Ch. 8.6 - Describe how you can clone a gene into a...Ch. 8.6 - Prob. 23AYPCh. 8.6 - Prob. 24AYPCh. 8.6 - Name two genetic techniques that are designed to...Ch. 8.6 - NCLEX PREF 4. A client is being treated with...Ch. 8.6 - Prob. 2MMCh. 8 - Single nucleotide polymorphisms are found in a....Ch. 8 - Using your knowledge of DNA from this chapter,...Ch. 8 - Conduct research on CRISPR and explain in...Ch. 8 - Which of the following is a characteristic of RNA?...Ch. 8 - List some advantages and disadvantages to a cell...Ch. 8 - Construct an argument for why tRNA contains a lot...Ch. 8 - Prob. 7QCh. 8 - Discuss the intersection between the metabolome...Ch. 8 - Defend this statement: All of biology is dependent...Ch. 8 - DNA is semiconservative because the ______ strand...Ch. 8 - Examine the DNA triplets here and determine the...Ch. 8 - Prob. 12QCh. 8 - Prob. 13QCh. 8 - Prob. 14QCh. 8 - Metagenomics is providing insight into the...Ch. 8 - The creation of biological molecules and cells...Ch. 8 - Prob. 17QCh. 8 - Genetically modified organisms (GMOs)especially in...Ch. 8 - Prob. 19QCh. 8 - Construct an analogy using your clothes closet to...Ch. 8 - Prob. 21QCh. 8 - Prob. 1VC
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- Which of the following best describes tRNA? a. Provides the instructions for the amino acid sequence of a polypeptide b. Complexes with ribosomal proteins to form ribosomes c. Used for eukaryotic RNA processing d. Transports amino acids to ribosomes during translationarrow_forwardWhich of the following is true about the three major classes of RNAs in the cell: mRNAs, tRNAs, and rRNAs? A. mRNAs encode polypeptide chains. B. tRNAs are structural components of the ribosome. C. rRNAs are adapter molecules that translate the information on an mRNA into a polypeptide sequence. D. mRNAs can also encode tRNAs and rRNAs.arrow_forwardThe role of transfer RNA (tRNA) is to match a codon (3 bases) in mRNA sequence to: A. An amino acid B. A peptide bond C. An R group D. A start codonarrow_forward
- Which of the following are encoded in the terminating codon in protein synthesis? a. Selenocycteine and Pyrrolysine b. GABA and Homocysteine c. Hydroxyproline and Selenocycteine d. Ornithine and Citrullinearrow_forwardThe following are all true of RNA, excepta. it is a single-stranded molecule existing in helical form. b. it contains uracil rather than thymine as the complementary base-pairing mate for adenine.c. uracil does not follow the pairing rules;therefore, the inherent DNA code ischanged.d. the sugar in RNA is ribose rather than deoxyribosearrow_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_forward
- Which 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_forwardWhat genetic material in a living cell which is single stranded involved in the coding of genes for protein synthesis? * 1 point a. DNA b. RNA C. mRNA d. tRNAarrow_forwardWhich of the following nucleic acids is a component of ribosomes? a.DNA b.Transfer RNA c.Ribosomal RNA d.Messenger RNAarrow_forward
- A particular tRNA is mutated so that the amino acid attachment cannot bind with the aminoacyl-tRNA synthase. What happens when an mRNA transcript contains the codon for this tRNA? A. The tRNA will not bind to this codon. B. Translation stops and the protein is released. C The wrong tRNA is added to the protein chain. D. Translation stops and the protein remains bound to the ribosome.arrow_forwardWhich of the following is not a type of RNA?a. nRNA (nuclear RNA)b. mRNA (messengerc. rRNA (ribosomal RNA)d. tRNA (transfer RNA)arrow_forwardWhich of the following steps in protein synthesis does not require a direct supply of energy? a. proofreading step by certain aminoacyl-tRNA synthetases b. translocation of mRNA in a ribosome c. linkage of an amino acid to its cognate tRNA d. alignment of a tRNA anticodon with an mRNA codonarrow_forward
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