Foundations in Microbiology
Foundations in Microbiology
9th Edition
ISBN: 9780073522609
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Chapter 2.L1, Problem 8WC
Summary Introduction

To analyse:

The reason why acids and bases can form a neutral salt.

Introduction:

Acids are compounds that furnish H+ ions in solution. Bases are compounds that can supply OH- ions in solution.

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A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?   The cell membranes are more resistant than normal.   An isotonic solution had been added instead of water.   A solution of 0.1 M NaCl had been added instead of water.   Not enough water had been added to the red blood cell pellet.   The man had sickle-cell anaemia.
A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?   The cell membranes are more resistant than normal.   An isotonic solution had been added instead of water.   A solution of 0.1 M NaCl had been added instead of water.   Not enough water had been added to the red blood cell pellet.   The man had sickle-cell anaemia.
With reference to their absorption spectra of the oxy haemoglobin intact line) and deoxyhemoglobin (broken line) shown in Figure 2 below, how would you best explain the reason why there are differences in the major peaks of the spectra? Figure 2. SPECTRA OF OXYGENATED AND DEOXYGENATED HAEMOGLOBIN OBTAINED WITH THE RECORDING SPECTROPHOTOMETER 1.4 Abs < 0.8 06 0.4 400 420 440 460 480 500 520 540 560 580 600 nm 1. The difference in the spectra is due to a pH change in the deoxy-haemoglobin due to uptake of CO2- 2. There is more oxygen-carrying plasma in the oxy-haemoglobin sample. 3. The change in Mr due to oxygen binding causes the oxy haemoglobin to have a higher absorbance peak. 4. Oxy-haemoglobin is contaminated by carbaminohemoglobin, and therefore has a higher absorbance peak 5. Oxy-haemoglobin absorbs more light of blue wavelengths and less of red wavelengths than deoxy-haemoglobin

Chapter 2 Solutions

Foundations in Microbiology

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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GCSE Chemistry - Acids and Bases #34; Author: Cognito;https://www.youtube.com/watch?v=vt8fB3MFzLk;License: Standard youtube license