Nester's Microbiology: A Human Perspective
8th Edition
ISBN: 9780073522593
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Chapter 17, Problem 9MC
Summary Introduction
Introduction:
The thymus is a lymphoid organ, which is present behind the sternum and in between the cells. The thymus has a major role in providing adaptive immunity in the body, this act as the site in the body, in which T (Thymus) cells get mature. Thymus starts to shrink or reduce after an individual attains puberty due to deposition of adipose tissue. T cells present with inthe thymus are responsible for preventing disease in the body by providing immunity to the body.
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The Snapdragon is a popular garden flower that comes in a variety of colours, including red, yellow, and orange. The genotypes and associated phenotypes for some of these flowers are as follows:
aabb: yellow
AABB, AABb, AaBb, and AaBB: red
AAbb and Aabb: orange
aaBB: yellow
aaBb: ?
Based on this information, what would the phenotype of a Snapdragon with the genotype aaBb be and why?
Question 21 options:
orange because A is epistatic to B
yellow because A is epistatic to B
red because B is epistatic to A
orange because B is epistatic to A
red because A is epistatic to B
yellow because B is epistatic to A
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.
Chapter 17 Solutions
Nester's Microbiology: A Human Perspective
Ch. 17 - Why are antihistamines useful for treating many...Ch. 17 - List two physical responses of systemic...Ch. 17 -
3. What are the major differences between an...Ch. 17 -
4. Compare and contrast the Arthus reaction and...Ch. 17 - Prob. 5SACh. 17 -
6. Compare and contrast the autoimmune processes...Ch. 17 - Give an example of an organ-specific autoimmune...Ch. 17 - Explain why a patient who received a successful...Ch. 17 - Why does an IgA deficiency predispose a person to...Ch. 17 -
10. What is the difference between a primary...
Ch. 17 - An IgE-mediated allergic reaction a) reaches a...Ch. 17 - Prob. 2MCCh. 17 - Repeated injections of very small amounts of...Ch. 17 - Prob. 4MCCh. 17 - Prob. 5MCCh. 17 - Prob. 6MCCh. 17 - Prob. 7MCCh. 17 - Prob. 8MCCh. 17 - Prob. 9MCCh. 17 - Prob. 10MCCh. 17 - Jack and Jill were badly burned in an accident at...Ch. 17 - Horse serum containing specific antibody to snake...Ch. 17 - Prob. 1CTCh. 17 - Prob. 2CT
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