Microbiology With Diseases By Taxonomy (6th Edition)
6th Edition
ISBN: 9780134832302
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 7, Problem 18MC
Summary Introduction
Introduction:
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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.
The nucleoside consists of a D-deoxyribose and a cytosine base is called ______.
A. cytidineB. deoxycytidineC. deoxycytidylateD. deoxyribosylcytosine E. deoxyribosylcytidine
Energy that drives the attachment of a nucleotide to the end of a growing strand of DNA comes from________ . a. the nucleotide c. DNA polymerase b. phosphate-group transfers from ATP
Chapter 7 Solutions
Microbiology With Diseases By Taxonomy (6th Edition)
Ch. 7 - DNA replication requires a large amount of energy,...Ch. 7 - In bacteria, polypeptide translation can begin...Ch. 7 - Prob. 3TMWCh. 7 - Prob. 4TMWCh. 7 - Clinical Case Study Deadly Horizontal Gene...Ch. 7 - Which of the following is most likely the number...Ch. 7 - Which of the following is a true statement...Ch. 7 - Prob. 3MCCh. 7 - Prob. 4MCCh. 7 - Prob. 5MC
Ch. 7 - Prob. 6MCCh. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - Prob. 9MCCh. 7 - Prob. 10MCCh. 7 - Which of the following is not a mechanism of...Ch. 7 - Prob. 12MCCh. 7 - Prob. 13MCCh. 7 - Which of the following are called jumping genes?...Ch. 7 - Prob. 15MCCh. 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 - Prob. 24MCCh. 7 - The trp operon is repressible. This means it is...Ch. 7 - The three steps in RNA transcription are...Ch. 7 - Prob. 2FIBCh. 7 - Prob. 3FIBCh. 7 - Prob. 4FIBCh. 7 - An operon consists of ____________,...Ch. 7 - Prob. 6FIBCh. 7 - A daughter DNA molecule is composed of one...Ch. 7 - Prob. 8FIBCh. 7 - Prob. 9FIBCh. 7 - ____________ is a recombination event that occurs...Ch. 7 - Prob. 11FIBCh. 7 - Prob. 12FIBCh. 7 - Prob. 1SACh. 7 - Prob. 2SACh. 7 - Prob. 3SACh. 7 - Polypeptide synthesis requires large amounts of...Ch. 7 - Prob. 5SACh. 7 - Prob. 6SACh. 7 - Prob. 7SACh. 7 - Prob. 8SACh. 7 - Describe how DNA is packaged in both prokaryotes...Ch. 7 - Prob. 10SACh. 7 - Prob. 11SACh. 7 - Prob. 12SACh. 7 - On the figure below, label DNA polymerase I, DNA...Ch. 7 - Prob. 2VICh. 7 - Prob. 3VICh. 7 - If molecules of mRNA have the following nucleotide...Ch. 7 - A scientist uses a molecule of DNA composed of...Ch. 7 - Prob. 3CTCh. 7 - Prob. 4CTCh. 7 - Prob. 5CTCh. 7 - Suppose that the E. coli gene for the lac operon...Ch. 7 - Prob. 7CTCh. 7 - Prob. 8CTCh. 7 - Prob. 9CTCh. 7 - How can knowledge of nucleotide analogs be useful...Ch. 7 - The endosymbiotic theory states that mitochondria...Ch. 7 - Prob. 12CTCh. 7 - Prob. 13CTCh. 7 - Prob. 14CTCh. 7 - What DNA nucleotide triplet codes for codon UGU?...Ch. 7 - Prob. 17CT
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- Messenger RNA is formed by ________ of a gene on the DNAtemplate strand.a. transcription b. replication c. translation d. transformationarrow_forwardThe enzyme ________ separates the TWO DNA strands of the double helix. a. helicase b. ligase c. polymerasearrow_forwardType of DNA spontaneous mutation that can explain why uracil is not found in DNA a.depurination b.methylation c. oxidation d.deaminationarrow_forward
- On 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_forwardThe main function of a DNA molecule is to______ . a. store heritable information b. carry a translatable message c. form peptide bonds between amino acidsarrow_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_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_forwardOne species’ DNA differs from others in its______ . a. nucleotides c. double helix b. DNA sequence d. sugar–phosphate backbonearrow_forward________ are encoded by a nucleotide triplet codon. a. Amino acids b. Chromosomes c. RNA strandsarrow_forward
- A 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_forwardA new type of nucleic acid molecule is found have a base composition of 29% adenine, 19% thymine, 21% cytosine and 31% guanine. The molecule is probably: a. single stranded DNA b. double stranded RNA c. double stranded DNA d. single stranded RNAarrow_forwardCystic Fibrosis is caused by which of the following? a. Replacement of three nucleotides with a new three nucleotide sequence b. Addition of three nucleotides c. Deletion of three nucleotidesarrow_forward
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