Brock Biology of Microorganisms (14th Edition)
Brock Biology of Microorganisms (14th Edition)
14th Edition
ISBN: 9780321897398
Author: Michael T. Madigan, John M. Martinko, Kelly S. Bender, Daniel H. Buckley, David A. Stahl, Thomas Brock
Publisher: PEARSON
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Chapter 17, Problem 4RQ
Summary Introduction

The diplomonads and the parabasalids are the unicellular, flagellated protists that do not contain chloroplasts and mitochondria. They usually live in anoxic habitats such as the intestines of the amino acids in both the symbiotic or parasitic form and conserves energy from the process of fermentation. Some of the diplomonads cause serious and common diseases in humans, fish, and domestic animals. One type of parabasalids causes sexually transmitted disease in humans. Both the groups shared a relatively common ancestor before they diverged to form separate phylogenetic lineages.

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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 17 Solutions

Brock Biology of Microorganisms (14th Edition)

Ch. 17.4 - Prob. 3MQCh. 17.5 - Prob. 1MQCh. 17.5 - Prob. 2MQCh. 17.5 - What are apicoplasts, which organisms have them,...Ch. 17.6 - Prob. 1MQCh. 17.6 - Prob. 2MQCh. 17.6 - Prob. 3MQCh. 17.7 - Prob. 1MQCh. 17.7 - How are chlorarachniophytes thought to have...Ch. 17.8 - Prob. 1MQCh. 17.8 - Compare and contrast the lifestyles of gymnamoebas...Ch. 17.8 - Prob. 3MQCh. 17.9 - What are conidia? How does a conidium differ from...Ch. 17.9 - Prob. 2MQCh. 17.9 - Prob. 3MQCh. 17.10 - Why is the mold Penicillium economically...Ch. 17.10 - Prob. 2MQCh. 17.10 - Prob. 3MQCh. 17.11 - Prob. 1MQCh. 17.11 - Prob. 2MQCh. 17.11 - Prob. 3MQCh. 17.12 - Prob. 1MQCh. 17.12 - Prob. 2MQCh. 17.12 - Prob. 3MQCh. 17.13 - Prob. 1MQCh. 17.13 - Prob. 2MQCh. 17.14 - Prob. 1MQCh. 17.14 - Prob. 2MQCh. 17.15 - What traits link cyanobacteria and red algae?Ch. 17.15 - Prob. 2MQCh. 17.16 - What phototrophic properties link green algae and...Ch. 17.16 - What is unusual about the green algae...Ch. 17.16 - Prob. 3MQCh. 17 - Prob. 1RQCh. 17 - Prob. 2RQCh. 17 - Prob. 3RQCh. 17 - Prob. 4RQCh. 17 - Prob. 5RQCh. 17 - Three groups make up the alveolates: ciliates,...Ch. 17 - Prob. 7RQCh. 17 - REVIEW QUESTIONS 8. What morphological trait...Ch. 17 - Prob. 9RQCh. 17 - Prob. 10RQCh. 17 - Prob. 11RQCh. 17 - Prob. 12RQCh. 17 - Prob. 13RQCh. 17 - Prob. 14RQCh. 17 - Prob. 15RQCh. 17 - Prob. 16RQCh. 17 - Green algae are common in aquatic environments and...Ch. 17 - Explain why the process of endosymbiosis can be...Ch. 17 - Summarize the evidence for endosymbiosis. How...
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