Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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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.
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The hydrolysis of proteins yields
A.
esters
B.
organic acids
C.
amino acids
D.
formic acids
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 - A use-dilution test was used to evaluate two...Ch. 7 - To determine the lethal action of microwave...Ch. 7 - Entamoeba histolytica and Giardia lamblia were...Ch. 7 - Between March 9 and April 12five chronic...Ch. 7 - Prob. 3CAE
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- A bottle of canola oil can be stored indefinitely at room temperature because: a. it has 0 Calories per serving b. it is composed of triglycerides containing omega--fatty acids which prevent bacterial growth c. it contains no water, and water is need for bacterial metabolism and growth d. bacteria cannot use triglycerides as an energy source e. canola oil contains more than 15% alcohol by volume (15% ABV)arrow_forwardDefine the following terms: a. lactose b. maltose c. homoglycans d. heteroglycans e. starcharrow_forwardWhich of the following is incorrect about waxes? a. They are made from a fatty acid and a very long alcohol b. They function as waterproofing agents c. They are esters d. None; all the other choices are correctarrow_forward
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