![Microbiology: An Introduction](https://www.bartleby.com/isbn_cover_images/9780321733603/9780321733603_largeCoverImage.gif)
Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 7, Problem 5MCQ
Summary Introduction
Introduction:
Antimicrobial is used to inhibit and prevent the growth of microorganisms present in food particles. Controlling the microbial growth in foods is possible by the chemical and metal disinfecting agents.
Expert Solution & Answer
![Check Mark](/static/check-mark.png)
Want to see the full answer?
Check out a sample textbook solution![Blurred answer](/static/blurred-answer.jpg)
Students have asked these similar questions
Binding additives are polysaccharides that have functions of:
A. Encapsulating and aerating
B. Anti-splash and stabilizer
C. Thickeners and stabilizers
d. Clouding and Hydrolyzing
Which of the following WILL PROMOTE sol formation of neutral polysaccharide sample?
a.
place the polysaccharide sample into a boiling water bath
b.
dropwise mixing of glycerol to the polysaccharide sample
c.
allow the polysaccharide sample to stand on an ice bath
d.
add distilled vinegar solution to the polysaccharide sample
It is the process of converting TAG to fatty acid salt and alcohol.* Please choose one correct answer only
A. Acid hydrolysis
B. Distillation
C. Esterification
D. Saponification
E. None of the given options
Chapter 7 Solutions
Microbiology: An Introduction
Ch. 7 - The thermal death time for a suspension of...Ch. 7 - If pasteurization does not achieve sterilization,...Ch. 7 - Thermal death point is not considered an accurate...Ch. 7 - Prob. 4RCh. 7 - DRAW IT A bacterial culture was in log phase in...Ch. 7 - How do autoclaving, hot air, and pasteurization...Ch. 7 - How do salts and sugars preserve foods? Why are...Ch. 7 - Prob. 8RCh. 7 - A large hospital washes burn patients in a...Ch. 7 - Prob. 10R
Ch. 7 - Which of the following does not kill endospores?...Ch. 7 - Which of the following is most effective for...Ch. 7 - Prob. 3MCQCh. 7 - Which of the following cannot be used to sterilize...Ch. 7 - Prob. 5MCQCh. 7 - The data were obtained from a use-dilution test...Ch. 7 - The data were obtained from a use-dilution test...Ch. 7 - Prob. 8MCQCh. 7 - A classmate is trying to determine how a...Ch. 7 - Which of the following is most likely to be...Ch. 7 - Prob. 1ACh. 7 - For each of the following bacteria, explain why it...Ch. 7 - To determine the lethal action of microwave...Ch. 7 - A use-dilution test was used to evaluate two...Ch. 7 - Entamoeba histolytica and Giardia lamblia were...Ch. 7 - Between March 9 and April 12five chronic...Ch. 7 - Prob. 3CAE
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Given the following situations, what will happen to an anionic polysaccharide gel? addition of vinegar solution increasing concentration of chitin in water addition of calcium hydroxide in the solution bringing sample into its liquefaction temperature a. decrease b. increase C. no effect d. cannot be determinedarrow_forwardWhich of the following ingredients in Ding Dong Cakes are added for the purpose of maintaining pH until you consume them: a. sodium chloride b. sodium citrate/citric acid c. sodium malate/malic acid d. monosodium phosphate/disodium phosphate e. lecithinarrow_forward. List whether each of the following substances was positive or negative for reducing sugar, as indicated by the Benedict's test. a. Corn syrup (1 point) b. Table sugar (1 point) c. Water (1 point) d. Unknown 1 (1 point) e. Unknown 2 (1 point) f. Unknown 3 (1 point) g. Unknown 4 (1 point) ~~3. List whether each of the following substances was positive or negative for starch, as indicated by using iodine. a. Onion juice (1 point) b. Water (1 point) c. Cornstarch (1 point) d. Unknown 1 (1 point) e. Unknown 2 (1 point) f. Unknown 3 (1 point) g. Unknown 4 (1 point) ~~4. The Sudan III test has been performed for you. Please see the image below to answer question 4a-g: Were the following substances positive or negative for lipids, as indicated by the Sudan III test? Sudan III Results a. Oil (O) (1 point) b. Butter (B) (1 point) c. Flour (F) (1 point) d. Unknown 1 (1 point) e. Unknown 2 (1 point) f. Unknown 3 (1 point) g. Unknown 4 (1 point) ~~5. List whether each of the following…arrow_forward
- Which of the following substances aren't phenolics? a. lignin b. isoflavones c. isoflavones d. alkaloids e. anthocyaninsarrow_forwardWhat is the isoelectric point of casein? Please choose one correct answer only. A. pH 6.6 B. pH 5.6 C. pH 4.6 D. pH 3.6 E. None of the given optionsarrow_forwardIf you heat Holiday “mulled (spiced) wine” to 40oC for 1 hour, you would expect that: a. it would become champagne b. it would contain fewer Calories per gram than celery c. more alcohol would have evaporated than water during the heating process, lowering the alcohol content (the %ABV), because ethanol has a lower boiling point than water d. A1 casein would be converted to A2 casein e. it will give you “a warm Holiday glow”arrow_forward
- An unknown liquid sample is tested for chemical composition. You receive the following results: iodine test = yellow; biuret test = purple; Benedict's test = red; and paper lipid test = clear. Which of the following are present in this sample? (Select all that apply) A. starch B. protein C. sugar D. lipids E. None of these are present.arrow_forwardChoose the product(s) for the hydrogenation of corn oil. Check all that apply. a. ethylene glycol b. glycerol c. a more saturated fat d. linoleic acidarrow_forwardAn average protein will not be denatured by: a. a detergent such as sodium dodecyl sulfate. b. heating to 90°C. c. sodium chloride d. pH 10. e. urea.arrow_forward
- Silvadene, a topical treatment for burns, contains 1% silver. What category of chemical antimicrobial agent is in Silvadene? Select one: a.antibiotics b.None of the Above c.halogens d.aldehydes e.oxidizing agentsarrow_forwardDefine the following terms: a. lactose b. maltose c. homoglycans d. heteroglycans e. starcharrow_forwardThe acidity of our skin (pH~4.5-5.5) helps maintaining the skin's cells and prevents the growth of some microbes. Therefore, its always recommended to use gentle skin soap to maintain the acidity of the skin, these products contain mainly: Select one: a. Strong acid to maintain the pH of the skin O b. Weak acid to significantly decrease the pH of the skin O c. Weak base to maintain the pH close to 7 O d. Weak base to increase the pH of the skin O e. Weak acid to maintain the pH of the skin In which of the following do you expect to have highest emergent properties? Select one: O a. Tissue O b. Community Oc. Cell O d. population O e. Organismsarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Essentials of Pharmacology for Health ProfessionsNursingISBN:9781305441620Author:WOODROWPublisher:CengageSurgical Tech For Surgical Tech Pos CareHealth & NutritionISBN:9781337648868Author:AssociationPublisher:Cengage
Essentials of Pharmacology for Health Professions
Nursing
ISBN:9781305441620
Author:WOODROW
Publisher:Cengage
Surgical Tech For Surgical Tech Pos Care
Health & Nutrition
ISBN:9781337648868
Author:Association
Publisher:Cengage
Nutrition and Diet - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=SFE1DfAlipo;License: Standard Youtube License