COWAN CONNECT ACCESS CARD MICROBIOLOGY:
4th Edition
ISBN: 9781265200015
Author: Cowan
Publisher: MCG
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Textbook Question
Chapter 3, Problem 11TF
Agar has the disadvantage of being easily decomposed by microorganisms.
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The optimum growth pH for a microorganism is usually:
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One of the useful properties of agar is its inability to be digested by most microbes.
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Chapter 3 Solutions
COWAN CONNECT ACCESS CARD MICROBIOLOGY:
Ch. 3.1 - Prob. 2CFCh. 3.1 - Explain what the Five Is mean and what each step...Ch. 3.1 - Discuss three physical states of media and when...Ch. 3.1 - Compare and contrast selective and differential...Ch. 3.1 - Provide brief definitions for defined and complex...Ch. 3.2 - Prob. 5AYPCh. 3.2 - Prob. 6AYPCh. 3.2 - Prob. 7AYPCh. 3.2 - Prob. 8AYPCh. 3.2 - Compare and contrast the three main categories of...
Ch. 3 - Prob. 1CFCh. 3 - Prob. 1MCQCh. 3 - A mixed culture is a. the same as a contaminated...Ch. 3 - Resolution is ____ with a longer wavelength of...Ch. 3 - A real image is produced by the a. ocular. b....Ch. 3 - Prob. 5MCQCh. 3 - The specimen for an electron microscope is always...Ch. 3 - Prob. 7MCQCh. 3 - Bacteria tend to stain more readily with cationic...Ch. 3 - Multiple Matching. For each type of medium, select...Ch. 3 - A fastidious organism must be grown on what type...Ch. 3 - Agar has the disadvantage of being easily...Ch. 3 - A subculture is a culture made from an isolated...Ch. 3 - Prob. 13TFCh. 3 - Prob. 14TFCh. 3 - The best stain to use to visualize a microorganism...Ch. 3 - Prob. 1CTQCh. 3 - Prob. 2CTQCh. 3 - Prob. 3CTQCh. 3 - What is the functional type of mannitol salt agar...Ch. 3 - Create a short paragraph to differentiate among...Ch. 3 - Prob. 6CTQCh. 3 - Prob. 7CTQCh. 3 - a.Create a paragraph to differentiate among the...Ch. 3 - Prob. 9CTQCh. 3 - You are a scientist studying a marsh area...Ch. 3 - Prob. 1CCCh. 3 - Prob. 2CCCh. 3 - Prob. 3CCCh. 3 - Prob. 4CCCh. 3 - Prob. 5CCCh. 3 - Visual Connections Blooms Level 5: Evaluate These...Ch. 3 - Prob. 1CM
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- Spores and toxin-producing microorganism produce toxins need higher Aw than minimum Aw for microbial growth. How could food industry benefit from this fact?arrow_forwardMicrobes are exposed to a wide variety of environmental factors that affect growth and survival. By giving two (2) examples, discuss how the microbial survival in various environmental conditions has been used to understand its ability to make flavorful and long shelf-life type of foods.arrow_forwardThe following ingredient list represents which type of growth media? Beef extract 1.5 g Yeast extract 3.0 g Peptone 6.0 g Glucose 1.0 g Agar 15.0 g water 1000 ml pH 6.6arrow_forward
- Explain why, to the best of your knowledge, most microorganisms resist culturing in the laboratory.arrow_forwardTrue or false? it is possible to kill or remove all microorganisims by hand washing or using hand sanitizer ?arrow_forwardThe term "turbidity" in microbiology refers to: a cloudy appearance in broth, meaning microorganisms did grow a cloudy appearance in broth, meaning microorganisms did not grow a clear appearance in broth, meaning microorganisms did not grow the clump of cells at the top of a broth a clear appearance in broth, meaning microroganisms did growarrow_forward
- If lysozyme is added to a microbial culture. Predict what will be observed if the culture is affected by the action of lysozyme. A change in color will be visible in the tube. An increase in absorbance will be observed over time. A decrease in absorbance will be observed over time. An increase in turbidity will be observed over time.arrow_forwardIn an epoxidation lab, why is it important to continue stirring vigorously in order to get a good yield?arrow_forwardWhat statement correctly explains why moist-heat is more effective than dry-heat for sterilization purposes? The microbe's molecules are resistant to alteration in the absence of water. Dry heat will always be a lower temperature than moist heat. Dry heat dehydrates the microbes, and dehydration is a method of preserving microbes. Water is a good conductor of heat.arrow_forward
- Which one of the following statements about liquid media is false Select one: a-is prepared without add agar b-is available for use in petri dish . c-is sometimes referred as nutrient broth d-bacteria grow uniformly producing general turbidityarrow_forwardMicroorganisms are often grouped according to their optimum growth temperatures. Which groups are most likely to spoil refrigerated foods?arrow_forwardDescribe how each of the following would appear when grown on EMB agar: a. Escherichia coli b. Pseudomonas aeruginosarrow_forward
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