Microbiology Fundamentals: A Clinical Approach - Standalone book
2nd Edition
ISBN: 9780078021046
Author: Marjorie Kelly Cowan Professor, Jennifer Bunn
Publisher: McGraw-Hill Education
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Chapter 13, Problem 8MCQ
Summary Introduction
Introduction:
A vaccine is basically a biological preparation used to generate the immune response in an individual against a disease. Vaccines contain weak or attenuated forms of pathogens or harmless parts of a pathogen so that the body could produce an immune response against it and would be protected when the pathogen invades the body in the future.
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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
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
Which ONE of the following is FALSE regarding haemoglobin?
It has two alpha subunits and two beta subunits.
The subunits are joined by disulphide bonds.
Each subunit covalently binds a haem group.
Conformational change in one subunit can be transmitted to another.
There are many variant ("mutant") forms of haemoglobin that are not harmful.
Chapter 13 Solutions
Microbiology Fundamentals: A Clinical Approach - Standalone book
Ch. 13.1 - Prob. 1AYPCh. 13.1 - Prob. 1NPCh. 13.1 - Compare the terms antigen, immunogen, and epitope.Ch. 13.1 - Prob. 3AYPCh. 13.1 - Prob. 4AYPCh. 13.1 - Describe the major histocompatibility complex in...Ch. 13.2 - Prob. 1MMCh. 13.2 - Prob. 6AYPCh. 13.2 - Prob. 7AYPCh. 13.2 - Prob. 8AYP
Ch. 13.2 - Prob. 9AYPCh. 13.3 - List characteristics of antigens that optimize...Ch. 13.3 - Prob. 11AYPCh. 13.3 - Prob. 12AYPCh. 13.3 - Prob. 2NPCh. 13.4 - Prob. 13AYPCh. 13.4 - Prob. 14AYPCh. 13.4 - Prob. 15AYPCh. 13.5 - Diagram the steps in B-cell activation, including...Ch. 13.5 - Prob. 17AYPCh. 13.5 - Explain the various end results of antibody...Ch. 13.5 - Prob. 19AYPCh. 13.5 - Draw and label a graphwith time on the horizontal...Ch. 13.6 - Prob. 21AYPCh. 13.6 - Discuss the qualities of an effective vaccine.Ch. 13.6 - Name the two major categories of vaccines and then...Ch. 13.6 - Explain the principle of herd immunity and the...Ch. 13.6 - 3. Which characteristic is associated with passive...Ch. 13 - Prob. 1CTCh. 13 - The primary B-cell receptor is a. IgD. b. IgA. c....Ch. 13 - Prob. 1VCCh. 13 - Prob. 2CTCh. 13 - In humans, B cells mature in the ___ and T cells...Ch. 13 - Prob. 3CTCh. 13 - Prob. 3MCQCh. 13 - Prob. 4CTCh. 13 - Prob. 4MCQCh. 13 - Prob. 5CTCh. 13 - Prob. 5MCQCh. 13 - Prob. 6MCQCh. 13 - A vaccine that contains parts of viruses is called...Ch. 13 - Prob. 8MCQ
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