Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Chapter 42.1, Problem 2CC
Summary Introduction
Some amino acids like lysine and glutamic acids are used as nutritional supplements in the food industry to increases the production of compounds like monosodium glutamate (MSG).
The production of amino acids are carried out by regulatory mutants which are used to reduce the amino acids synthesis by producing intermediate or specific amino acids.
Cellular
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Students have asked these similar questions
what is the nature and likely location(s) of a mutant that would,
1)allow constitutive expression of the lac gene?
2)prevent the cell from responding to lactose ( genes are not induced when exposed to lactose)?
3) not allow the cell to utilize lactose even when the genes are induced
The synthesis of arginine by Nuerospora was determined by examining a number of
mutant strains that were unable to synthesize the compound. Use the table of
bacterial growth below to 1) determine the correct sequence of the synthesis pathway
and 2) where in the synthesis pathway each mutation interrupts the synthesis. A “+"
indicates growth.
Nothing
added to
Succinate
Ornithine
added
Strain
Cirtulline
Arginine
Added
added
added
growth
medium
Wild
Mutant 1
Mutant 2
Mutant 3
Mutant 4
"what is the reason for forming mucoid colonies in some types of bacteria?"
Chapter 42 Solutions
Prescott's Microbiology
Ch. 42.1 - Why are the cells first fed lactose and then...Ch. 42.1 - What critical limiting factors are used in the...Ch. 42.1 - Prob. 2CCCh. 42.1 - What kinds of molecular changes result from...Ch. 42.1 - Prob. 4CCCh. 42.2 - Why is there interest in developing alternatives...Ch. 42.2 - What types of microbes are good candidates for the...Ch. 42.3 - What is the objective of the scale-up process and...Ch. 42.3 - What parameters can be monitored in a modern,...Ch. 42.3 - Which of the following are secondary metabolites:...
Ch. 42.4 - Why are modular genes particularly suitable as...Ch. 42.4 - Prob. 2MICh. 42.4 - Prob. 1CCCh. 42.4 - Prob. 2CCCh. 42.4 - What is metabolic engineering? Besides...Ch. 42.4 - What is high-throughput screening and why has it...Ch. 42.4 - Prob. 5CCCh. 42.5 - Prob. 1MICh. 42.5 - What is the Ti plasmid and how is it modified for...Ch. 42.5 - How is Bt toxin produced and why is it so widely...Ch. 42.5 - Prob. 3CCCh. 42.6 - Why are diatoms and magnetotactic bacteria of...Ch. 42.6 - Prob. 2CCCh. 42 - Prob. 1RCCh. 42 - Prob. 2RCCh. 42 - Prob. 3RCCh. 42 - Prob. 4RCCh. 42 - Prob. 5RCCh. 42 - Prob. 6RCCh. 42 - Prob. 7RCCh. 42 - Prob. 1ALCh. 42 - Prob. 2AL
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