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 4MCQ
In DNA, adenine is the complementary base for ______, and cytosine is the complement for __________.
- a. guanine, thymine
- b. uracil, guanine
- c. thymine, guanine
- d. thymine, uracil
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Check out a sample textbook solutionStudents have asked these similar questions
Considering the principle of complementary base pairing, you would expect an equal ratio of which two nitrogenous bases in a DNA molecule?
a.
guanine and thymine
b.
uracil and adenine
c.
thymine and cytosine
d.
cytosine and guanine
e.
adenine and guanine
Which of the following are nucleotide base pairs found in DNA? Select all that apply.
A. Adenine and thymine
B. Cytosine and adenine
C. Thymine and guanine
D. Guanine and cytosine
Which of the following amino acid is acetylated when DNA is unwound from histones?
a. Asparagine
b. Lysine
c. Arginine
d. Glycine
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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- What amino acid residue interacts with molecular oxygen (O2) in hemoglobin? a. Phenylalanine b. Serine c. Valine d. Histidinearrow_forwardA key difference between the nucleotides found in DNA andthose in RNA is thata. DNA has phosphate, but RNA does not.b. DNA has deoxyribose, but RNA has ribose.c. DNA has thymine, but RNA has uracil.d. Both b and c are correct.arrow_forwardThe first nucleotide in every mRNA molecule ever produced is _________ and the first amino acid of every amino acid chain ever produced is ________ a. guanine; alanine b. uracil; lysine c. cytosine; threonine d. adenine; methioninearrow_forward
- 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_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_forwardUse the following diagram to answer the question below. xxxxx Select one: -G---C- a. Guanine. b. Thymine. c. Adenine. d. Uracil. -X---A- In the portion of the molecule shown above, which base should be in position X? -C---Garrow_forward
- Which of the following is not a difference between DNA and RNA? a. DNA contains thymine whereas RNA contains uracil b. DNA contains deoxyribose and RNA contains ribose c. DNA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars d. RNA is single stranded and DNA is double strandedarrow_forwardWhich statement about DNA bases is true? A. Adenine and guanine are purines. B. Thymine and adenine are pyrimidines. C. Guanine and cytosine are pyrimidines. D. Guanine and cytosine are purines. E. None are correctarrow_forwardDefine the following terms: a. DNA b. RNA c. genome d. transcription e. fructosearrow_forward
- According to Chargaff’s rules for DNA base composition, if a DNA sample contained 10% guanine, the sample should have: A. 40% cytosine B. 90% cytosine C. 10% adenine D. 40% thyminearrow_forwardType of DNA spontaneous mutation that can explain why uracil is not found in DNA a.depurination b.methylation c. oxidation d.deaminationarrow_forwardMark the following properties as belonging to either DNA or RNA. a. Contains the nucleotides A, G, C, and U ________ b. Found only in the nucleus of the cell ________ c. Can move in and out of the cell’s nucleus ________ d. Contains two strands of nucleotides linked by hydrogen bonds ________ e. Contains the code for every protein in the body ________ f. Contains the sugar ribose________arrow_forward
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