Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Chapter 12.5, Problem 2MI
Summary Introduction
Proteins are made up of a chain of amino acids. There are 22 genes-encoded amino acids synthesized by the cell biological system. These amino acids are termed as non-essential amino acids. Apart from this, there are few amino acids that cannot be synthesized by the biological system and it should be supplied through an external source. Hence, they are called essential amino acids.
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Chapter 12 Solutions
Prescott's Microbiology
Ch. 12.1 - Prob. 1CCCh. 12.1 - Prob. 2CCCh. 12.1 - Prob. 3CCCh. 12.1 - Retrieve, Infer, Apply What is self-assembly? What...Ch. 12.3 - MICRO INQUIRY How might acetyl-CoA be used by the...Ch. 12.3 - Retrieve, Infer, Apply Briefly describe the three...Ch. 12.3 - Retrieve, Infer, Apply Which two enzymes are...Ch. 12.4 - Prob. 1MICh. 12.4 - MICROINQUIRY What is the difference between Lipid...Ch. 12.4 - Retrieve, Infer, Apply What is gluconeogenesis?...
Ch. 12.4 - Retrieve, Infer, Apply Describe the formation of...Ch. 12.4 - Retrieve, Infer, Apply Suppose a microorganism is...Ch. 12.4 - Retrieve, Infer, Apply Diagram the steps involved...Ch. 12.4 - Retrieve, Infer, Apply What would happen to a cell...Ch. 12.5 - Prob. 1MICh. 12.5 - Prob. 2MICh. 12.5 - Prob. 1CCCh. 12.5 - Prob. 2CCCh. 12.5 - Prob. 3CCCh. 12.5 - How do organisms assimilate sulfur? How does...Ch. 12.5 - Prob. 5CCCh. 12.5 - Prob. 6CCCh. 12.5 - Describe the glyoxylate cycle. How is it similar...Ch. 12.5 - Prob. 8CCCh. 12.6 - How is phosphorus assimilated? What roles do...Ch. 12.6 - Explain the difference between a purine and a...Ch. 12.6 - Outline the way in which purines and pyrimidines...Ch. 12.7 - Prob. 1CCCh. 12.7 - How are unsaturated fatty acids made?Ch. 12.7 - Briefly describe the pathways for triacylglycerol...Ch. 12.7 - Prob. 4CCCh. 12.7 - Activated carriers participate in carbohydrate,...Ch. 12 - Prob. 1RCCh. 12 - Prob. 2RCCh. 12 - Prob. 3RCCh. 12 - Prob. 4RCCh. 12 - Prob. 5RCCh. 12 - Prob. 6RCCh. 12 - Prob. 7RCCh. 12 - What would happen if a microorganism that depended...Ch. 12 - Intermediary carriers are in a limited supply:...Ch. 12 - Prob. 3AL
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- The end products of tryptophan degradation are indole and pyruvicacid. Why do we test for the presence of indole rather than pyruvicacid as the indicator of tryptophanase activity?arrow_forwardFrom which amino acid is 2-phenylethanol derived and what chemical changes take place in the conversion?arrow_forwardWhat product will accumulate if the there is a degradation defect involving the given amino acids?arrow_forward
- How does penicillin binding stop the enzyme from functioning?arrow_forwardThe end products of tryptophan degradation are acetyl CoA and acetoacetyl CoA, yet tryptophan is a gluconeogenic amino acid in animals. Explain.arrow_forwardIf an E. coli cell lost the ability to use the pentose phosphate pathway, which amino acids would it require as growth factors?arrow_forward
- In the isolation of glycogen from liver, why it is necessary to filter the solution while it is still hot? Explain in 1-3 sentencesarrow_forwardAre there any amino acids involved in the synthesis of protoporphyrin IX?arrow_forwardWhen lactose is added to growing culture of E. coli, the cells begin to make enzymes necessary for lactose utilization. In contrast, when tryptophan is added to the culture medium, synthesis of the enzymes for tryptophan pathway ceases. Contrast the two systems explaining why they act in reverse directionsarrow_forward
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