Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Question
Chapter 2.L1, Problem 11WC
Summary Introduction
To determine:
The reason for which DNA is called a double helix.
Introduction:
DNA (deoxyribonucleic acid) is a
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1.) Which phosphate group contains the higher
energy of hydrolysis?
A a phosphate group
B. B phosphate group
C. y phosphate group
D. O phosphate group
2.) What type of biomolecule is adenine?
A. Carbohydrate
B. Lipid
C. Nucleic Acid
D. Protein
19. Which class of carbohydrates consist of two monosaccharides that are covalently bond with one another and is composed of either alpha or beta anomers?
*
A. Monosaccharide
B. Disaccharide
C. Oligosaccharide
D. Polysaccharide
12. Which type of lipid contains at least one ester linkage in its structure?
A. Wax
B. sphingolipid
C. Triglyceride
D. Both A and B
E. Both A and C
F. Both B and C
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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- 1. Carbohydrates a. Are only ketoses b. Have one carboxyl group C. Serve as a fuel d. Are only polysaccharides 2. Lipids: a. Are Hydrophilic b. Contains monomers c. Are divided into 3 types d. Phospholipids can function as signaling molecules 3. Proteins: a. Function depends on the structure b. Monomers are the nucleotides c. Can be denatured by physical and chemical changes d. Tertiary structure has Vander Waals interactions formed between R groups of amino acids 4. Nucleic acids: a. Are polymers of nucleotides b. DNA and RNA are the same c. DNA contains URACIL base d. RNA is a double helix B- True or False: 1) Genes consist of DNA which belongs to the class of nucleic acids 2) The process of hydrogenating vegetable produces only saturated fats 3) The monomers of proteins are nucleotides 4) Phospholipids are formed by 1 glycerol and 3 fatty acids 5) Unsaturated fats contain 1 or more double bonds between carbon atomsarrow_forward18. D-galactose is soluble in water because of the interaction of the –OH groups of the monosaccharide and watermolecules. What type of intermolecular bond is established between the sugar and water?A. London Dispersion forcesB. Covalent bondC. Hydrogen bondD. Ion-dipole interaction 19. Some disaccharides are non-reducing because they have no free anomeric carbons. Based on this information, whichof the following disaccharides is non-reducing?A. glucopyranosyl α-(1 →4) glucopyranosideB. galactopyranosyl β-(1 → 4) glucopyranosideC. glucopyranosyl α-(1 → 2) fructopyranosideD. glucopyranosyl β-(1 → 3) glucopyranosidearrow_forward14. What type of lipid contains two fatty acids in its structure? A. Wax B. Sphingolipid C. Steroid D. Glycerophospholipid E. Triglyceridearrow_forward
- 1.Functional groups can be defined as:* a. specific substituents or moieties within molecules b. collection of atoms that attach the carbon skeleton of an organic molecule c. both A and B d. neither A nor B 2. Vitamin E is miscible with hexane. Based on this observation, it can be inferred that__________* Vitamin E is polar and can be classified as lipid Vitamin E is non-polar and can be classified as lipid Vitamin E is amphipathic and cannot be classified as lipid Vitamin E is neither polar or non-polar and cannot be classified as lipid 3. Positive with Molisch Test and Benedict Test but negative with both Iodine Test and Seliwanoff's Test, immediate precipitate formation with Barfoed's Test, and muddy brown coloration with Bial's Test.* Glucose Fructose Ribose/Arabinose Maltose Sucrosearrow_forward3. Proteins: a. Function depends on the structure b. Monomers are the nucleotides c. Can be denatured by physical and chemical changes d. Tertiary structure has Vander Waals interactions formed between R groups of arnino acids 4. Nucleic acids: a. Are polymers of nucleotides b. DNA and RNA are the same c. DNA contains URACIL base d. RNA is a double helixarrow_forward20. Which of the following does NOT contribute to the tertiary structure of proteins? a. salt bridges Ob. hydrogen bonds C. disulfide bonds d. peptide bondsarrow_forward
- 2. Lipids: a. Are Hydrophilic b. Contains monomers c. Are divided into 3 types d. Phospholipids can function as signaling molecules 3. Proteins: a. Function depends on the structure b. Monomers are the nucleotides c. Can be denatured by physical and chemical changes d. Tertiary structure has Vander Waals interactions formed between R groups of amino acids 4. Nucleic acids: a. Are polymers of nucleotides b. DNA and RNA are the same c. DNA contains URACIL base d. RNA is a double helixarrow_forwardA polyhydroxylated aldehyde or ketone containing 3 carbons or more is called O a. ganglioside O b. sugar O c. nucleoside O d. fatty acidarrow_forward1.Which of the following molecules consist of a chain of amino acids? Select all that apply. A. Carbohydrates B. Proteins C. Nucleic acids D. Lipids 2.Isotopes are variations of the same element that differ in their number of…. A. protons B. polymers C. electrons D. neutronsarrow_forward
- 3. Disaccharides a. Draw a lactose molecule b. Label the individual monosaccharide components c. Label the functional groups that you recognize d. Label the chemical bond that connects the monosaccharidesarrow_forwardThe base pairs are held together primarily bya. covalent bonds b. ionic bonds c. hydrogen bonds d. gyrasesarrow_forward9. Briefly describe and draw the structure of the following disaccharides in their ring structure. Identify the two that are combined to form each, and determine the molecular weight for each. monosaccharides A. sucrose B. maltose C. lactosearrow_forward
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