Microbiology with Diseases by Body System (4th Edition)
4th Edition
ISBN: 9780321918550
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 7, Problem 18MC
Summary Introduction
Introduction:
DNA is an important molecule that carries the genetic information of all living things. It is composed of nucleotides and nucleosides. A
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DNA is a polymer made of the following subunits: adenine, cytosine, thymine, and guanine.
Based on this, guanine must be the name of a(n) _____.
A. fatty acid
B. nucleotide
C. nucleic acid
D. RNA
The nucleoside consists of a D-deoxyribose and a cytosine base is called ______.
A. cytidineB. deoxycytidineC. deoxycytidylateD. deoxyribosylcytosine E. deoxyribosylcytidine
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.
Chapter 7 Solutions
Microbiology with Diseases by Body System (4th Edition)
Ch. 7 - DNA replication requires a large amount of energy,...Ch. 7 - Vibrio vulnificus Infection Greg enjoyed Floridas...Ch. 7 - Prob. 2TMWCh. 7 - Prob. 3TMWCh. 7 - Why is the genetic ancestry of microbes much more...Ch. 7 - Prob. 1CCSCh. 7 - Which of the following is most likely the number...Ch. 7 - Which of the following is a true statement...Ch. 7 - A plasmid is ___________. a. a molecule of RNA...Ch. 7 - Prob. 4MC
Ch. 7 - Prob. 5MCCh. 7 - Which of the following molecules functions as a...Ch. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - The Ames test ___________. a. uses auxotrophs and...Ch. 7 - Which of the following methods of DNA repair...Ch. 7 - Prob. 11MCCh. 7 - Prob. 12MCCh. 7 - Which of the following statements is true? a....Ch. 7 - Prob. 14MCCh. 7 - Although two cells are totally unrelated, one cell...Ch. 7 - Prob. 16MCCh. 7 - Prob. 17MCCh. 7 - Prob. 18MCCh. 7 - Prob. 19MCCh. 7 - Prob. 20MCCh. 7 - Prob. 21MCCh. 7 - Prob. 22MCCh. 7 - Prob. 23MCCh. 7 - Before mutations can affect a population...Ch. 7 - Prob. 25MCCh. 7 - Fill in the Blanks 1. The three steps in RNA...Ch. 7 - Fill in the Blanks 2. A triplet of mRNA...Ch. 7 - Fill in the Blanks 3. Three effects of point...Ch. 7 - Fill in the Blanks 4. Insertions and deletions in...Ch. 7 - Fill in the Blanks 5. An operon consists of...Ch. 7 - Prob. 6FIBCh. 7 - Prob. 7FIBCh. 7 - Fill in the Blanks 8. A gene for antibiotic...Ch. 7 - Fill in the Blanks 9. ______ are nucleotide...Ch. 7 - Fill in the Blanks 10. ____________ is a...Ch. 7 - Fill in the Blanks 11.________ RNA carries amino...Ch. 7 - Fill in the Blanks 12. ______ RNA and ______ RNA...Ch. 7 - How does the genotype of a bacterium determine its...Ch. 7 - List several ways in which eukaryotic messenger...Ch. 7 - Compare and contrast intrans and exons.Ch. 7 - Polypeptide synthesis requires large amounts of...Ch. 7 - Describe the operon model of gene regulation.Ch. 7 - Prob. 6SACh. 7 - Prob. 7SACh. 7 - Describe the formation and function of mRNA, rRNA,...Ch. 7 - Prob. 9SACh. 7 - Explain the central dogma of genetics.Ch. 7 - Compare and contrast the processes of...Ch. 7 - Fill in the following table:Ch. 7 - On the figure below, label DNA polymerase I, DNA...Ch. 7 - Prob. 2VICh. 7 - The drugs ddC and AZT are used to treat AIDS....Ch. 7 - Prob. 1CTCh. 7 - A scientist uses a molecule of DNA composed of...Ch. 7 - Explain why an insertion of three nucleotides is...Ch. 7 - How could scientists use siRNA to turn off a...Ch. 7 - Prob. 5CTCh. 7 - Prob. 6CTCh. 7 - Prob. 7CTCh. 7 - Prob. 8CTCh. 7 - Corynebacterium diphtheriae, the causative agent...Ch. 7 - Prob. 10CTCh. 7 - The endosymbiotic theory states that mitochondria...Ch. 7 - Hydrogen bonds between complementary nucleotides...Ch. 7 - On average, RNA polymerase makes one error for...Ch. 7 - We have seen that wobble makes the genetic code...Ch. 7 - If a scientist synthesizes a DNA molecule with the...Ch. 7 - What DNA nucleotide triplet codes for codon UGU?...Ch. 7 - Suppose you want to insert into your dog a gene...Ch. 7 - Using the following terms, fill in the following...
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- Which of the following is not a nucleotide? a. adenosine triphosphate b. adenosine diphosphate c. adenine d. cytosine e. arabinosearrow_forwardOn a single-stranded DNA, the basic units are linked to one another by _______ A. Disulfide linkages B. Phosphoanhydride bonds C. Phosphodiester bonds D. Hydrogen bonds E. Hydrophobic interactionsarrow_forwardN C N HC C GH CH N H Which base normally pairs with this structure: a. Thymine b. Adenine c. Cytosine d. Guaninearrow_forward
- The genetic code is based on four different bases with the structures shown here. Determine the hybridization in each interior atom in these four bases. a. cytosine b. adenine c. thymine d. guanine NH2 H HC SCH HC H NH2 a. b. H HC HN1 8CH NH H;C H2N H d.arrow_forward1. You have a sample of DNA, and you measure the amount of adenine present at 21%. Based on this, the percentages of the other three nitrogenous bases must be ______. Group of answer choices thymine 21% A. uracil 21% B. guanine 29% C. guanine 21% D. cytosine 29% E. cytosine 21%arrow_forwardOne species’ DNA differs from others in its______ . a. nucleotides c. double helix b. DNA sequence d. sugar–phosphate backbonearrow_forward
- multuple choice _______1. which of the following is notv a nucleotide? a. adenine b. guanine c. thymine d. uracil ______2. which statement best describes the sugar and fats used by living organisms? a. sugar molecules are inorganic and fat molecules are organic. b. sugar molecules are organic and fat molecules are inorganic c. energy for life processes can be stored within the chemical bonds of both molecules. d. energy for life process can be stores within the chemical bonds of sugar molecules only. _____3. which two elements are always found in amino acids? a. nitrogen and sulfur b. hydrogen and phosporous c. sulfur and oxygen d. carbon and oxygen ________4. which statement is true about phospholipids? a. it is made up of three fatty acids attached to a glycerol b. it is made up of two fatty acids and a phosphate-containing group. c. it exists asfats and oils. d. cholesterol and hormones are examples of phospholipids,.arrow_forwardA nucleotide of DNA may contain ________.a. ribose, uracil, and a phosphate groupb. deoxyribose, uracil, and a phosphate groupc. deoxyribose, thymine, and a phosphate groupd. ribose, thymine, and a phosphate grouparrow_forwardAn analysis of the bases in DNA present in body cells gave the following results: W units/g X units/g Y units/g Z units/g 31 45 45 31 The correct identification of each base would be: W Y Z A. adenine guanine B. cytosine adenine C. guanine D. thymine Select one: a. C b. D c. B d. A X thymine guanine thymine cytosine cytosine guanine cytosine thymine adenine adeninearrow_forward
- The bases represented by X are... Select one: OA. Uracil O B. Guanine OC. Adenine OD. Cytosine X Xarrow_forwardA _______________ is a chain of amino acids. a. Nucleic Chain b. Polypeptide chain c. Polygenic Chain d. Ribonucleic Chainarrow_forwardThe helix form of protein commonly as seen in DNA is an example of ___ structure. A. Quaternary B. Tertiary C. Primary D. Secondaryarrow_forward
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