Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 2.L1, Problem 17MCQ
17. DNA is a hereditary molecule that is composed of
a. deoxyribose, phosphate, and nitrogen bases
b. deoxyribose, a pentose, and
c. sugar, proteins, and thymine
d. adenine, phosphate, and ribose
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33.
Fundamental unit of heredity
A. Loci
B. Allele
C. Chromosomes
D. genetics
39. The building blocks or monomers of nucleic acid molecules are called
C. Amino acids
D. Nucleotides
A. Pyrimidines
B. Monosaccharides
40. Which scientist(s) discovered a slimy white substance from nuclei and called it a nucleic acid?
A. Rosalind Franklin
C. Friedrich Miescher
B. Erwin Chargaff
D. Hershey and Chase
41. What is the function of helicase in DNA replication?
A. It untwists the double helix and separates the two DNA strands
B. It relieves strain from twisting of the double helix as it is unwound
C. It adds nucleotides to the new strand in the 5' to 3' direction
D. It joins Okazaki fragments
42. In the repair of damaged DNA, which enzyme removes the damaged DNA?
A. Helicase
C. Nuclease
B. Ligase
D. Primase
43. In the repair of damaged DNA, which enzyme seals the repaired DNA?
A. Helicase
C. Nuclease
D. Primase
B. Ligase
44. What is meant by the description "antiparallel" regarding DNA strands?
A. The 5' to 3' direction of one strand runs counter to the 5' to 3' direction…
Nitrogenous bases of RNA are
A. uracil and adenine
B. thymine and uracil
C. uracil, adenine, guanine and cytosine
D. thymine, adenine, guanine and cytosine
Chapter 2 Solutions
Foundations in Microbiology
Ch. 2.1 - Prob. 1ELOCh. 2.1 - Prob. 2ELOCh. 2.1 - Prob. 3ELOCh. 2.1 - Prob. 4ELOCh. 2.1 - Prob. 5ELOCh. 2.1 - Prob. 1CYPCh. 2.1 - Prob. 2CYPCh. 2.1 - Prob. 3CYPCh. 2.1 - Prob. 4CYPCh. 2.1 - Prob. 5CYP
Ch. 2.1 - Prob. 6CYPCh. 2.2 - Prob. 6ELOCh. 2.2 - Prob. 7ELOCh. 2.2 - Prob. 8ELOCh. 2.2 - Prob. 9ELOCh. 2.2 - Prob. 10ELOCh. 2.2 - Prob. 11ELOCh. 2.2 - 7. Explain how the concepti of molecules and...Ch. 2.2 - Prob. 8CYPCh. 2.2 - Prob. 9CYPCh. 2.2 - Prob. 10CYPCh. 2.2 - Prob. 11CYPCh. 2.2 - Prob. 12CYPCh. 2.2 - Prob. 13CYPCh. 2.2 - Prob. 14CYPCh. 2.3 - Prob. 12ELOCh. 2.3 - 13. Explain solutes, solvents, and hydration.Ch. 2.3 - Prob. 14ELOCh. 2.3 - 15. Describe the pH scale and how it was derived;...Ch. 2.3 - Prob. 15CYPCh. 2.3 - Prob. 16CYPCh. 2.3 - 17. What properties of water make it an effective...Ch. 2.3 - Prob. 18CYPCh. 2.3 - 19. What determines whether a substance is an acid...Ch. 2.4 - 16. Describe the chemistry of carbon and the...Ch. 2.4 - Prob. 17ELOCh. 2.4 - Prob. 18ELOCh. 2.4 - Prob. 20CYPCh. 2.4 - Prob. 21CYPCh. 2.4 - Prob. 22CYPCh. 2.4 - 23. What are functional groups?Ch. 2.4 - Prob. 24CYPCh. 2.5 - 19. Define carbohydrate and know the functional...Ch. 2.5 - Prob. 20ELOCh. 2.5 - 21. Discuss the functions of carbohydrates in...Ch. 2.5 - Prob. 25CYPCh. 2.5 - Prob. 26CYPCh. 2.5 - 27. What are some of the functions of...Ch. 2.6 - 22. Define lipid, triglyceride, phospholipid,...Ch. 2.6 - 23. Describe how an ester bond is formed.Ch. 2.6 - Prob. 24ELOCh. 2.6 - 28. Draw simple structural molecules of...Ch. 2.7 - 25. Describe the structures of peptides and...Ch. 2.7 - 26. Characterize the four levels of protein...Ch. 2.7 - 27. Summarize some of the essential functions of...Ch. 2.7 - Prob. 29CYPCh. 2.7 - 30. Differentiate between a peptide, a...Ch. 2.7 - 31. Explain what causes the various levels of...Ch. 2.7 - 32. What functions do proteins perform in a cell?Ch. 2.8 - 28. Identify a nucleic acid and differentiate...Ch. 2.8 - Prob. 29ELOCh. 2.8 - 30. Explain how the DNA code may be copied, and...Ch. 2.8 - 33. Describe a nucleotide and a polynucleotide,...Ch. 2.8 - 34. Name the two purines and the three...Ch. 2.8 - 35. What are the functions of RNA?Ch. 2.8 - 36.What is ATP, and how does it function in cells?Ch. 2.L1 - 1. The smallest unit of matter with unique...Ch. 2.L1 - 2. The charge of a proton is exactly balanced by...Ch. 2.L1 - Prob. 3MCQCh. 2.L1 - Prob. 4MCQCh. 2.L1 - Prob. 5MCQCh. 2.L1 - Prob. 6MCQCh. 2.L1 - Prob. 7MCQCh. 2.L1 - 8. An atom that can donate electrons during a...Ch. 2.L1 - 9. In a solution of NaCl and water, NaCl is the...Ch. 2.L1 - 10. A solution with a pH of 2 than a solution with...Ch. 2.L1 - 11. Fructose is a type of a. disaccharide b....Ch. 2.L1 - 6. Bonds in which atoms share electrons are...Ch. 2.L1 - 13. How is our understanding of microbiology...Ch. 2.L1 - 14. A phospholipid contains a. three fatty acids...Ch. 2.L1 - 15. Proteins are synthesized by linking amino...Ch. 2.L1 - 16. The amino acid that accounts for disulfide...Ch. 2.L1 - 17. DNA is a hereditary molecule that is composed...Ch. 2.L1 - 18. What is meant by the term DMA replication? a....Ch. 2.L1 - 19. Proteins can function as a. enzymes b....Ch. 2.L1 - 20. RNA plays an important role in what biological...Ch. 2.L1 - 1. Which of the following has not been a major...Ch. 2.L1 - 2. What was a significant result of the Mars...Ch. 2.L1 - Prob. 3CSRCh. 2.L1 - Prob. 1WCCh. 2.L1 - Prob. 2WCCh. 2.L1 - Prob. 3WCCh. 2.L1 - Prob. 4WCCh. 2.L1 - Prob. 5WCCh. 2.L1 - 6. Why are hydrogen bonds relatively weak?Ch. 2.L1 - 7. What kind of substances will be expected to be...Ch. 2.L1 - Prob. 8WCCh. 2.L1 - Prob. 9WCCh. 2.L1 - 10. What makes the amino acids distinctive, and...Ch. 2.L1 - Prob. 11WCCh. 2.L1 - Prob. 12WCCh. 2.L1 - 6. Bonds in which atoms share electrons are...Ch. 2.L2 - Prob. 1CTCh. 2.L2 - Prob. 2CTCh. 2.L2 - Prob. 3CTCh. 2.L2 - 4. Distinguish between polar and ionic compounds.Ch. 2.L2 - 5. Is galactose an aldehyde or a ketone sugar?Ch. 2.L2 - 6. a. How many water molecules are released when a...Ch. 2.L2 - Prob. 7CTCh. 2.L2 - Prob. 8CTCh. 2.L2 - Prob. 1VC
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- Which of the following is the monomeric unit of DNA. A. Nucleotides B. Deoxyribose C. Nitrogenous bases D. Phospatearrow_forward30. Which of the following is FALSE when comparing RNA and DNA? A.are composed of nucleotides that contain a phosphate group, a pentose sugar, and a nitrogenous base. B. Both contain nucleotides connected by phosphodiester linkages. C. Both have a 5’ end and a 3’ end. D. Both are composed of identical nucleotides.arrow_forward6. The basic functional and structural unit of heredity is A. Gene B. Nucleotide C. Phosphate D. Nitrogenarrow_forward
- 1. Define a polynucleotide.2. What are the types of polynucleotides?3. Enumerate and classify all the nitrogenous bases.arrow_forwardPlease ASAP. Thank you. Regarding the double helix of DNA, which of the following is true? a. Guanine pairs up with cytosine with three hydrogen bonds b. Complementary strands of DNA are held together by covalent bonds c. The backbone consists of ribose sugars H-bonded to phosphate groups d. Uracil pairs up with adenine with two hydrogen bondsarrow_forward20. Polymerization of sugars results in: a) polypeptides b) polynucleotides c) polysaccharides d) polylipidsarrow_forward
- 9. Differentiate between DNA and RNA based on the following characteristics. [4] DNA RNA Base composition Number of strandsarrow_forward18. Which of the following entities has the largest interaction cross-section (most likely to interact) when bulk biological tissue is irradiated with ionizing radiation? A. Lipid B. Nucleic acid C. Protein D. Sucrosearrow_forwardThe nitrogen bases in DNA are bonded to thea. phosphate b. deoxyribose c. ribose d. hydrogenarrow_forward
- 1. the position that distinguishes between DNA and RNA is 2. the carbon that the phosphate group is attached to is 3. the carbon that the base is attached to is 4. the nucleotide in a growing strand would be attached toarrow_forwardWhich 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_forward1. During the replication of a DNA molecule, separation or "unzipping" of the DNA molecule will normally occur when hydrogen bonds are broken between a. thymine and thymine b. guanine and uracil c. adenine and cytosine d. cytosine and guanine 2. The individuality of an organism is determined by the a. sequence of nitrogenous bases in deoxyribonucleic acid b. number of amino acids in a cell c. position of the ribosomes on the endoplasmic reticulum d. number of nitrogenous bases in a codon 3. The weakest bonds in a double-stranded molecule of deoxyribonucleic acid exist between the a. deoxyribose sugars b. phosphate groups C. nitrogenous bases d. 5-carbon sugarsarrow_forward
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