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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Textbook Question
Chapter 12.5, Problem 1MI
What purpose is served for the cell when these reactions are used to produce two glutamate rather than a single glutamine?
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Chapter 12 Solutions
Prescott's Microbiology
Ch. 12.1 - Prob. 1RIACh. 12.1 - Retrieve, Infer, Apply What is self-assembly? What...Ch. 12.3 - Retrieve, Infer, Apply Briefly describe the three...Ch. 12.3 - Retrieve, Infer, Apply Which two enzymes are...Ch. 12.4 - MICRO INQUIRY How might acetyl-CoA be used by the...Ch. 12.4 - Prob. 2MICh. 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 - What purpose is served for the cell when these...Ch. 12.5 - Prob. 2MICh. 12.5 - Prob. 1RIACh. 12.5 - How is nitrate assimilated? How does assimilatory...Ch. 12.5 - Prob. 3RIACh. 12.5 - How do organisms assimilate sulfur? How does...Ch. 12.5 - Prob. 5RIACh. 12.5 - Prob. 6RIACh. 12.5 - Describe the glyoxylate cycle. How is it similar...Ch. 12.5 - Prob. 8RIACh. 12.5 - List the types of organisms that use each...Ch. 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. 1RIACh. 12.7 - How are unsaturated fatty acids made?Ch. 12.7 - Briefly describe the pathways for triacylglycerol...Ch. 12.7 - Activated carriers participate in carbohydrate,...Ch. 12.7 - Prob. 5RIACh. 12 - What would happen if a microorganism that depended...Ch. 12 - Intermediary carriers are in a limited supply:...Ch. 12 - Magnetotactic bacteria are morphologically and...
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- What properties of glucokinase allow it to phosphorylate glucose in the liver when the blood glucose concentration is higher than normal?arrow_forwardWhat form of activated glucose is used in the biosynthesis ofglycogen by bacteria?arrow_forwardWhich of the following statements about the transamination and deamination steps of amino acid degradation is true? (A) a-ketoglutarate is always formed during a transamination between an amino acid and glutamate. (B) Transamination reactions produce glutamate that is deaminated after entering the urea cycle. (C) Free ammonia is removed from glutamate using glutamate dehydrogenase and NAD+ as an oxidizing agent. (D) The free NH4+ that is removed from glutamate during the deamination reaction is used to form glucose.(E) The carbon backbone that results from transamination enters the mitochondria to be used in the urea cycle.arrow_forward
- What reaction glucoamylase catalyzes and why?arrow_forwardwhat linkage does glycogen synthase catalyzes?arrow_forwardWhat is the effect on gluconeogenesis and glycogen synthesis of (a) increasing the level of ATP, (b) decreasing the concentration of fructose-1,6- bisphosphate, and (c) increasing the concentration of fructose-6- phosphate?arrow_forward
- Human beings contain two different carbamoyl phosphate synthetase enzymes. One uses glutamine as a substrate, whereas the other uses ammonia. What are the functions of these two enzymes?arrow_forwardIn this transamination reaction (right), which of the following are the products X and Y? Oxaloacetate Glutamate A Alanine, a-ketoglutarate B Aspartate, a-ketoglutarate C Glutamate, alanine D Pyruvate, aspartatearrow_forwardWhy does it make good metabolic sense for phosphoenolpyruvate carboxykinase, rather than pyruvate carboxylase, to be the primary target for regulating gluconeogenesis at the level of control of enzyme synthesis?arrow_forward
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