Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Chapter 31.1, Problem 2RIA
Summary Introduction
To determine: The three reasons which show the importance of soil organic matter (SOM).
Introduction: Soil is the uppermost layer of the earth’s surface. It has a complex composition of a variety of minerals, nutrients, organic matter, and non-organic compounds. It provides habitat for a variety of microorganisms. Soil organic matter is the indicator of organic content in the soil.
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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 31 Solutions
Prescott's Microbiology
Ch. 31.1 - How are filamentous microbes especially well...Ch. 31.1 - Prob. 1RIACh. 31.1 - Prob. 2RIACh. 31.1 - Prob. 3RIACh. 31.1 - What microbes commonly degrade cellulose and...Ch. 31.1 - Which of the following soils would a farmer be...Ch. 31.1 - Why is most nitrogen fertilizer added as ammonium...Ch. 31.2 - What are the differences in preferred soil...Ch. 31.2 - What types of archaea have been detected in soils?Ch. 31.2 - Prob. 3RIA
Ch. 31.3 - Which hyphae are growing saprotrophically in this...Ch. 31.3 - How do you think Frankia spp. protect nitrogenase...Ch. 31.3 - How does the production of opines by the plant...Ch. 31.3 - Define rhizosphere, rhizoplane, and associative...Ch. 31.3 - What unique stresses does a microorganism on a...Ch. 31.3 - List two ways in which compounds produced by...Ch. 31.3 - What important genera are involved in associative...Ch. 31.3 - Prob. 2.1RIACh. 31.3 - Prob. 2.2RIACh. 31.3 - What is the function of the rhizomorph and the...Ch. 31.3 - Describe the uptake and transfer of ammonium by...Ch. 31.3 - Propose two potential functions for mycorrhization...Ch. 31.3 - List several bacteria that are considered...Ch. 31.3 - Prob. 3.2RIACh. 31.3 - What does the term terminally differentiated mean?Ch. 31.3 - How does nitrogen transfer between a rhizobium and...Ch. 31.3 - What is unusual about leghemoglobin production and...Ch. 31.3 - What are the two general mechanisms by which...Ch. 31.3 - What is the difference between the Ti plasmid and...Ch. 31.3 - What functions do the members of the two-component...Ch. 31.3 - What are the two general ways by which plant...Ch. 31.3 - How are plant pathologists attempting to control...Ch. 31.4 - Compare and contrast the metabolism (specifically,...Ch. 31.4 - What happens in terms of microbiological processes...Ch. 31.4 - What microbial genera have been observed in oil...Ch. 31 - Why might vascular plants have developed...Ch. 31 - Prob. 2CHICh. 31 - Prob. 3CHICh. 31 - Prob. 4CHICh. 31 - Prob. 5CHICh. 31 - Prob. 6CHI
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