Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 25.3, Problem 12AYP
Write the equation showing how yeasts convert sugar into alcoholic beverages.
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Chapter 25 Solutions
Microbiology: A Systems Approach
Ch. 25.1 - Compose a sentence about the history of applied...Ch. 25.1 - Define biotechnology, and explain how its uses...Ch. 25.2 - Outline the steps in water purification.Ch. 25.2 - Differentiate water purification from sewage...Ch. 25.2 - Prob. 5AYPCh. 25.2 - Prob. 6AYPCh. 25.2 - List five important pathogens of drinking water.Ch. 25.2 - Provide examples of indicator bacteria, and...Ch. 25.2 - Summarize methods for identifying and quantifying...Ch. 25.3 - Name five foods and/or beverages that are produced...
Ch. 25.3 - Summarize the microbial process that leads to...Ch. 25.3 - Write the equation showing how yeasts convert...Ch. 25.3 - Discuss how microorganisms themselves are useful...Ch. 25.3 - Provide background on current HACCP guidelines,...Ch. 25.3 - Prob. 15AYPCh. 25.3 - Outline basic principles of using temperature to...Ch. 25.3 - List methods other than temperature currently used...Ch. 25.4 - Prob. 18AYPCh. 25.4 - Distinguish between primary and secondary...Ch. 25.4 - List the four steps of industrial product...Ch. 25.4 - Identify five industrial products made by...Ch. 25 - Drinking water utilities monitor their production...Ch. 25 - Milk is usually pasteurized by a. the...Ch. 25 - During sewage treatment, microbial action on a...Ch. 25 - Which of the following is unlikely to be a...Ch. 25 - The bloom in wine making refers to a. the...Ch. 25 - When algae produce biofuels, what is the other...Ch. 25 - Secondary metabolites of microbes are formed...Ch. 25 - In industrial fermentation, which step precedes...Ch. 25 - Which of the following is currently being produced...Ch. 25 - In biotechnology, fermentation refers to a. the...Ch. 25 - Prob. 11TFCh. 25 - Food products should always be kept completely...Ch. 25 - Alcoholic beverages are produced by the...Ch. 25 - Nutritional yeast is consumed by humans to...Ch. 25 - Refrigerating food prevents the growth of all...Ch. 25 - a.Summarize one beneficial use of sludge today,...Ch. 25 - Every year, supposedly safe municipal water...Ch. 25 - Provide evidence in support of or refuting the...Ch. 25 - a.List examples of microbes used in the production...Ch. 25 - Further investigate the HACCP system, and...Ch. 25 - From chapter 3, figure 3.5b. If this MacConkey...Ch. 25 - From chapter 8. During which portion of metabolism...Ch. 25 - Using the words that follow, please create a...
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- Beer is produced by yeast fermentation of grain to ethanol. Why must the process of beer production be anaerobic?arrow_forwardIs yeast good for weight loss?arrow_forwardSwitchgrass is used for ethanol production. The composition of the switchgrass is 37% cellulose, 24% xylan, 3% galactan, 4% arabinan, 20% lignin, 7% extractives, and 5% ash. A dilute acid pretreatment method is applied to the switchgrass before enzymatic hydrolysis and fermentation. The pretreatment hydrolyzes 10% hexosan and 90% pentosan into monomeric sugars. Approximately 30% of the hydrolyzed pentoses further react & are decomposed to furfural. Assume that there is no decomposition of the hydrolyzed hexoses. Further Assume that lignin, extractives, and ash do not change during the pretreatment. • How much of each lignocellulosic sugar (glucose, xylose, galactose, and arabinose) is produced when pretreating 1,000 kg (dry matter) switchgrass? How much furfural is formed? • Is water consumed or produced in these pretreatment hydrolysis and dehydration reactions? How much in each?arrow_forward
- In the figure below number three represent which processarrow_forwardThe chemical reaction equation for the conversion of ethanol (C2H5OH) to acetic acid (CH3COOH) is: C2H5OH + O2 → CH3COOH + H2OIn a vinegar production industry, acetic acid is produced from ethanol during the growth of the bacterium Acetobacter aceti, whose cellular composition is CH1,8O0,5N0,2. The biomass yield from substrate is 0.14 g/g, while the product yield also from substrate is 0.92 g/g. Ammonia is used as a nitrogen source. Based on this information, answer: (a) What is the oxygen demand for acetic acid production in this crop?(b) What are the cooling requirements of a bioreactor containing 3000 L of ethanol (ρ = 789 kg/m³), to be completely converted into acetic acid?arrow_forwardThe data are plotted and we see this graph: 1 2 3 Time (weeks) Yeast A 0% Yeast A 5% Yeast A 10% Yeast B O% Yeast B 5% Yeast B 10% 4. Based on the graph above, which type of yeast is most effective at producing alcohol? Did you expect this - why or why not? (2) % ABVarrow_forward
- 33) True or False: Plants undergo photosynthesis to make glucose using light energy. Plants also use cellular respiration to break down glucose and convert it into energy (stored as ATP). A) True B) Falsearrow_forwardList the three chemical processes that can lead to the removal of ions from solution and thus drive a metathesis reaction. Give one example for each of the three chemical processes.arrow_forwardIdentify the reactants and products involved in lactic acid and alcohol fermentation from the figure abovearrow_forward
- Which is Baker's yeast?arrow_forwardConsider the following structure. CO₂CH2CH3 CO₂CH2CH3 This substance could be produced by the reaction of the following diene and dienophile. diene + dienophile H CO,CH,CH3 སངས་ CH3CH₂O₂C True Falsearrow_forward(f) Given alongside is an experimental set up to study a particular process: Water drops Bell jar Twig Covered potted plant (i) Name the process being studied. (ii) Explain the process named in (i) above. (ii) Why is the pot covered with a plastic sheet ? (iv) Mention one way in which this process is beneficial to the plant. (v) Suggest a suitable control for this experiment.arrow_forward
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Intro to Food Microbiology; Author: A professor pressing record;https://www.youtube.com/watch?v=vg8fSmk0dVU;License: Standard youtube license