Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 9, Problem 2MCQ
The nitrogen bases in DNA are bonded to the
- a. phosphate.
- b. deoxyribose.
- c. ribose.
- d. hydrogen.
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Students have asked these similar questions
The type of bonds between the nucleotide bases of the two strands of DNA are a.polar covalent bonds. b.nonpolar covalent bonds. c.hydrogen bonds. d.ionic bonds.
The phosphodiester bond in DNA links:
a.
The 2’ carbon of the ribose to the 3’ carbon of the subsequent ribose.
b.
The 3’ carbon of the ribose to the 5’ carbon of the subsequent ribose.
c.
The 3’ carbon of the ribose to the 2’ carbon of the subsequent ribose.
d.
The 2’ carbon of the ribose to the 5’ carbon of the subsequent ribose.
e.
The 1’ carbon of the ribose to the 5’ carbon of the subsequent ribose.
Which of the following is true about the structure of nucleotides?
A. Purine nucleotides cannot base pair with pyrimidine nucleotides.
B. Pyrimidine bases are larger than purine bases.
C. Purine and pyrimidine bases are found in DNA and RNA.
D. Thymine base is found in DNA and RNA.
Chapter 9 Solutions
Microbiology: A Systems Approach
Ch. 9.1 - Define the terms genome and gene.Ch. 9.1 - Differentiate between genotype and phenotype.Ch. 9.1 - Diagram a segment of DNA, labeling all important...Ch. 9.1 - Summarize the steps of bacterial DNA replication...Ch. 9.1 - Compare and contrast the synthesis of leading and...Ch. 9.2 - Explain how the classical view of the central...Ch. 9.2 - Prob. 7AYPCh. 9.2 - Illustrate the steps of transcription, noting the...Ch. 9.2 - Prob. 9AYPCh. 9.2 - Prob. 10AYP
Ch. 9.2 - Identify the locations of the promoter, the start...Ch. 9.2 - Prob. 12AYPCh. 9.2 - Prob. 13AYPCh. 9.3 - Define the term operon and explain one advantage...Ch. 9.3 - Differentiate between repressive and inducible...Ch. 9.3 - Prob. 16AYPCh. 9.4 - Explain the defining characteristics of a...Ch. 9.4 - Describe three forms of horizontal gene transfer...Ch. 9.5 - Prob. 19AYPCh. 9.5 - Prob. 20AYPCh. 9 - What is the smallest unit of heredity? a....Ch. 9 - The nitrogen bases in DNA are bonded to the a....Ch. 9 - DNA replication is semiconservative because the...Ch. 9 - In DNA, adenine is the complementary base for...Ch. 9 - Transfer RNA is the molecule that a. contributes...Ch. 9 - Prob. 6MCQCh. 9 - The lac operon is usually in the _____ position...Ch. 9 - Prob. 8MCQCh. 9 - Prob. 9MCQCh. 9 - When genes are turned on differently under...Ch. 9 - The DNA pairs are held together primarily by...Ch. 9 - Prob. 12TFCh. 9 - Prob. 13TFCh. 9 - Prob. 14TFCh. 9 - Prob. 15TFCh. 9 - Explain the relationship among the following...Ch. 9 - On paper, replicate the following segment of DNA:...Ch. 9 - Provide evidence in support of or refuting the...Ch. 9 - Using the DNA sequence 3 TAC CAG ATA CAC TCC CCT...Ch. 9 - Use your knowledge of DNA recombination events to...Ch. 9 - Prob. 1VCCh. 9 - From chapter 4, figure 4.11a. Speculate on why...Ch. 9 - Concept Mapping | Blooms Level 6: Create Appendix...
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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
- Which of the following statements about DNA is true? (Select all that applied) Select one: a. DNA contains thymine but not uracil. b. DNA molecules contain deoxyribose. c. All of these d. In a double-stranded DNA molecule, adenine on one strand will be connected to thymine on the complementary strand by two hydrogen bonds.arrow_forwardA nucleotide is composed of all of the following excepta. 5-carbon sugar. c. 6-carbon sugar.b. nitrogen base. d. phosphate grouparrow_forwardWhich of the following statements about nucleic acids is not correct? Select one: A. In DNA the distance between the strands of the double helix is relatively constant. B. The growing DNA polymer is synthesized in the 5' to 3' direction. C. The enzymes that catalyze DNA synthesis are known as DNA polymerases. D. RNA strands are synthesized in the 3' to 5' direction. E. Unlike DNA, RNA is easily cleaved because the 2'-OH group of the ribose is a nucleophile that catalyzes hydrolysis of the strand.arrow_forward
- Which of the following is the correct way that heterocyclic bases are paired between two polypeptide chains of DNA? a. Pyrimidines-Pyrimidines b. Purine-Pyrimidine c. Purines-Purine d. Sugar-Phosphatearrow_forwardWhich of the following is NOT true of the structure of DNA? a. Nitrogenous bases A and C bond together, and bases T and G bond together. b. It contains all of the genetic information for an individual. c. The backbone is made up of alternating sugars and phosphates. d. The molecule has the shape of a coiled ladder.arrow_forwardWhich of the following correctly describes a structural feature of DNA or RNA? a. RNA may fold into complex three-dimensional structures necessary for its activity b. RNA & DNA are both usually double stranded c. DNA tends to fold into complex three-dimensional structures required for its activity d. DNA contains a pentose sugar with a hydroxyl group in the 2' positionarrow_forward
- Indicate whether each of the following statements about the double-helix secondary structure of DNA is true or false. a. The two polynucleotide strands are complementary rather than identical. b. Bases present extend outward from the double helix. c. Covalent bonding occurs between the two polynucleotide strands. d. The two polynucleotide strands run in the 5′-to-3′ directionarrow_forwardWhich of the following statement for the B-DNA helix is NOT true? a. It is a left-handed helix. b. Planes of bases are nearly perpendicular to the helix axis. c. Sugars are in the 2’-endo conformation. d. Bases are in the anti conformation. e. It is a common form of duplex DNA solution.arrow_forwardEthidium Bromide is a chemical reagent that has been used to detect the presence of nucleic acids. It is known to fluoresce under UV light and the intensity of the fluoresence increases when it binds to the nucleic acids. Ethidium Bromide binds to polynucleotides a by binding directly to the bases on one of the strands. b by intercalating itself between the base pair stacks. c through the negatively charged phosphate groups. d through the hydroxyl group of the sugar molecule.arrow_forward
- Label each statement as pertaining to DNA, RNA, or both. a. The polynucleotide is double stranded. b. The polynucleotide may contain adenine. c. The polynucleotide may contain dGMP. d. The polynucleotide is a polymer of ribonucleotides.arrow_forwardSegments of DNA act as templates that guide the amino acids to join together to form a. proteins. b. sugars. c. phosphates. d. fours kinds of bases. e. all of the above.arrow_forwardDNA is less susceptible than RNA to alkaline hydrolysis. Which of the following is the most appropriate explanation? A. DNA is double-strand while RNA is single-stranded. B. DNA has a 2' hydrogen while RNA has a 2' hydroxyl group. C. DNA has tertiary structure while RNA does not have. D. DNA includes thymine bases while RNA includes uracil bases. E. DNA is in nucleus while RNA is not.arrow_forward
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