LSC TOMBALL BIOLOGY CONNECT ACCESS
14th Edition
ISBN: 9781265728496
Author: Mader
Publisher: MCG CUSTOM
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Chapter 24.2, Problem 3QTC
Summary Introduction
To determine:
The reason that fragile X is considered a syndrome but not the Huntington disease.
Introduction:
Fragile X syndrome and Huntington disease are the classic examples of trinucleotide repeat disorders caused by a dynamic mutation resulting in trinucleotide repeats in certain genes.
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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 24 Solutions
LSC TOMBALL BIOLOGY CONNECT ACCESS
Ch. 24.1 - Prob. 1LOCh. 24.1 - Prob. 2LOCh. 24.1 - Prob. 1CYPCh. 24.1 - Prob. 2CYPCh. 24.2 - Prob. 1LOCh. 24.2 - Prob. 2LOCh. 24.2 - Prob. 3LOCh. 24.2 - Prob. 1QTCCh. 24.2 - Prob. 2QTCCh. 24.2 - Prob. 3QTC
Ch. 24.2 - Prob. 1CYPCh. 24.2 - Prob. 2CYPCh. 24.2 - Prob. 3CYPCh. 24.3 - Describe how chromosome number disorder arise?Ch. 24.3 - Prob. 2LOCh. 24.3 - Prob. 1QTCCh. 24.3 - Prob. 2QTCCh. 24.3 - Prob. 1CYPCh. 24.3 - Prob. 2CYPCh. 24.4 - Prob. 1LOCh. 24.4 - 2. Summarize the disorder caused by changes in...Ch. 24.4 - Prob. 1CYPCh. 24.4 - Explain how it is possible for a person with a...Ch. 24 - Prob. S5.4BYBCh. 24 - Prob. S23.1BYBCh. 24 - Section 23.4 how does a Punnett square help...Ch. 24 - Prob. 1CSCh. 24 - What is the genetic basis that causes the symptoms...Ch. 24 - Prob. 3CSCh. 24 - Prob. 1ACh. 24 - Prob. 2ACh. 24 - Prob. 3ACh. 24 - Prob. 4ACh. 24 - Prob. 5ACh. 24 - Prob. 6ACh. 24 - Prob. 7ACh. 24 - Prob. 8ACh. 24 - Prob. 9ACh. 24 - Prob. 10ACh. 24 - Prob. 11ACh. 24 - Prob. 12ACh. 24 - Prob. 13ACh. 24 - Prob. 14ACh. 24 - Prob. 15ACh. 24 - Prob. 1AGPCh. 24 - Prob. 2AGPCh. 24 - Prob. 3AGPCh. 24 - Prob. 1TCCh. 24 - Prob. 2TCCh. 24 - Prob. 3TC
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