EBK PRINCIPLES OF BIOLOGY
2nd Edition
ISBN: 8220103675338
Author: BROOKER
Publisher: YUZU
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Chapter 40, Problem 5TY
Summary Introduction
Introduction:
After primary infection, B cell subtype formed within germinal centers in the memory B cells. These are cells of the immune system that make antibodies after the body is exposed to pathogens. These form memory cells which remember the same pathogen for producing the antibody faster so that it can fight future infection or can respond to reinfection (secondary immune).
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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 40 Solutions
EBK PRINCIPLES OF BIOLOGY
Ch. 40.1 - Prob. 1TYKCh. 40.1 - Prob. 2TYKCh. 40.2 - Prob. 1BCCh. 40.2 - Inflammation is often associated with swelling of...Ch. 40.2 - Prob. 1TYKCh. 40.2 - Prob. 2TYKCh. 40.3 - Prob. 1CCCh. 40.3 - Prob. 2CCCh. 40.3 - Prob. 3CCCh. 40.3 - Prob. 4CC
Ch. 40.3 - Prob. 1TYKCh. 40.3 - Prob. 2TYKCh. 40.4 - Prob. 1TYKCh. 40.4 - Prob. 2TYKCh. 40 - Prob. 1TYCh. 40 - Prob. 2TYCh. 40 - Prob. 3TYCh. 40 - Prob. 4TYCh. 40 - Prob. 5TYCh. 40 - Prob. 6TYCh. 40 - Prob. 7TYCh. 40 - Prob. 8TYCh. 40 - Prob. 9TYCh. 40 - Prob. 10TYCh. 40 - Prob. 1CCQCh. 40 - Prob. 2CCQCh. 40 - Prob. 3CCQCh. 40 - Prob. 1CBQCh. 40 - Prob. 2CBQ
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