Microbiology with Diseases by Body System (5th Edition)
5th Edition
ISBN: 9780134477206
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 25, Problem 2CT
Given what you know about microbial nutrition and
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Chapter 25 Solutions
Microbiology with Diseases by Body System (5th Edition)
Ch. 25 - Prob. 1TMWCh. 25 - Prob. 2TMWCh. 25 - Prob. 1MCCh. 25 - Prob. 2MCCh. 25 - Prob. 3MCCh. 25 - Prob. 4MCCh. 25 - Prob. 5MCCh. 25 - Strains of the bacterium Pseudomonas syringae have...Ch. 25 - Prob. 7MCCh. 25 - Prob. 8MC
Ch. 25 - Prob. 9MCCh. 25 - Prob. 10MCCh. 25 - Lyophilization in food preservation is by...Ch. 25 - Prob. 1MTFCh. 25 - Prob. 2MTFCh. 25 - Prob. 3MTFCh. 25 - Prob. 4MTFCh. 25 - Prob. 5MTFCh. 25 - Intrinsic factors affecting food spoilage are...Ch. 25 - Prob. 2FIBCh. 25 - Prob. 3FIBCh. 25 - Potable water is allowed to have ________...Ch. 25 - Prob. 5FIBCh. 25 - Prob. 6FIBCh. 25 - ________ and _________ are the two types of food...Ch. 25 - Prob. 8FIBCh. 25 - A ________ is a device composed of microbes and...Ch. 25 - Prob. 10FIBCh. 25 - Prob. 1MCh. 25 - Prob. 1VICh. 25 - Prob. 2VICh. 25 - Why does the application or recombinant DNA...Ch. 25 - Given what you know about microbial nutrition and...Ch. 25 - Prob. 3CTCh. 25 - Prob. 4CTCh. 25 - Even though water and wastewater undergo...Ch. 25 - Take a critical look at the garbage in all of your...Ch. 25 - Explain why sakesometimes called rice winewould be...Ch. 25 - Prob. 8CTCh. 25 - Prob. 9CTCh. 25 - Suggest why neither the original food involved nor...Ch. 25 - Prob. 11CTCh. 25 - Prob. 12CTCh. 25 - Prob. 1CM
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- essential oils have been studied as potential antimicrobial agents. These naturally occuring compounds are linked to having the following type of activity in clinical trials: virucidal, septicidal, bactricidal, fungicidalarrow_forwardTwo microorganisms that use naphthalene as a food source have the same Umax but different Ks values for naphthalene. If both types of microorganisms are inoculated at the same cell density into a liquid culture containing naphthalene as the sole carbon source (i.e. the only food source), which microorganism will outcompete the other: the one with the higher Ks or the one with the lower Ks. Why?.arrow_forwardWhat are the social and economic implications of the statement "Secondary metabolites are not produced by microorganisms"?arrow_forward
- If a biotechnologist wishes to obtain a primary metabolite, they will harvest the organism/media during log phase. If a biotechnologist wishes to obtain a secondary metabolite, they will harvest the organism/media during stationary phase. Can you explain this distinction regarding the metabolism of the cell at these two different batch culture growth phases?arrow_forwardc) Pasteurization is a technique that uses temperatures of about 72°C to neutralize potential pathogens in foods. a. Justify the effect does this temperature have on the enzymes and cellular metabolism of pathogens. b. Argue why does the heat of pasteurization kill some microorganisms yet fail to affect thermophiles?arrow_forwardDiscuss the benefit and drawbacks of using cell suspension culture for the production of important secondary metabolites.arrow_forward
- The basic nutritional requirements of microorganisms are an energy or carbon source,an available nitrogen source, inorganic elements, and for some cell types, specific growth factors. Explain this statementarrow_forwardThe following four chemicals commonly found in defined growth media contain all of the necessary atomic macronutrients, namely C, O, N, H, S and P, which microbes require: glucose (C6H12O6), K2HPO4, MgSO4.7H2O, and (NH4)HPO4. Part a. Create a simple diagram to map which growth media chemical contributes atoms to which of the four biological macromolecules (amino acids, polysaccharides, lipids, and ribonucleic acids). Part b. Consider a cell culture broth that originally (before inoculation with cells) contains 5.0 gr/L glucose (C6H12O6), 1.2 gr/L K2HPO4, 0.3 gr/L MgSO4∙7H2O, and 1.0 gr/L (NH4)HPO4. Create a table showing how much of each of the different atoms (C, H, O, K, P, Mg, S, N) are available for incorporation into cell macromolecules (assume 50% of the glucose is catabolized, while the remainder goes for energy (respiration). Express your answers with units of grams of atomic species / liter of culture broth.arrow_forwardWhat are the general concepts of microbial metabolism and explain each concepts? (Give at least 4 concepts)arrow_forward
- A Food Microbiologist would like to determine all the possible effects of temperature and pH on microbial growth rate (Kg). How will s/he express her/his hypothesis in an equation? Illustrate the effect of temperatures 4, 15, and 25 °C on microbial spoilage of food. Assume that spoilage takes place when APC > 5.0 log CFU/g.arrow_forwardOxygen is always beneficial to micro-organisms. Discuss this statement in the context of factors that influence microbial growth.arrow_forwardGive at least 2 advantages (and explain) of using microorganisms as industrial inputs.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