Microbiology: Principles and Explorations
9th Edition
ISBN: 9781118743164
Author: Jacquelyn G. Black, Laura J. Black
Publisher: WILEY
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Chapter 6, Problem 17SQ
Summary Introduction
Introduction: On Earth, microbes can exist nearly every environment. This because microbes are small, dispersed easily, need a little amount of nutrients, occupy little space, and diverse in their requirements. However, the growth of microbes can be influenced by a variety of factors, both biochemical and physical. Physical factors include temperature, pH, hydrostatic pressure, moisture, and oxygen concentration. Biochemical factors include the availability of nitrogen, carbon, sulphur, trace elements, vitamins, and phosphorous.
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Chapter 6 Solutions
Microbiology: Principles and Explorations
Ch. 6 - What are the differences between the lag phase and...Ch. 6 - How does logarithmic rate of increase differ from...Ch. 6 - Prob. 1.3SCCh. 6 - Why does a direct microscopic count of bacteria...Ch. 6 - What does the ending -phile mean? Distinguish...Ch. 6 - What enzymes do most obligate anaerobes lack? How...Ch. 6 - Prob. 2.3SCCh. 6 - Prob. 3.1SCCh. 6 - Distinguish between the various kinds of media:...Ch. 6 - What is the purpose of a stock culture? Why is it...
Ch. 6 - Prob. 1CCSCh. 6 - Exactly 100 bacteria with a generation time of 30...Ch. 6 - In the above example, do you think that the number...Ch. 6 - Prob. 3CTQCh. 6 - Prob. 1SQCh. 6 - Match the following growth phase terms to their...Ch. 6 - Which of the following is the best definition of...Ch. 6 - Prob. 4SQCh. 6 - The most probable number (MPN) technique is a...Ch. 6 - Match the terms with their definitions:Ch. 6 - Prob. 7SQCh. 6 - Why do foods containing a high concentration of...Ch. 6 - Some bacteria have complex nutritional...Ch. 6 - Prob. 10SQCh. 6 - Which type of cell will shift to aerobic...Ch. 6 - Which of the following statements about endospores...Ch. 6 - Prob. 13SQCh. 6 - Blood agar is often used to observe changes in the...Ch. 6 - A bacterial medium that contains 20 grams of beef...Ch. 6 - MacConkey agar contains the dye, crystal violet,...Ch. 6 - Prob. 17SQCh. 6 - What are the purposes of carrying out the streak...Ch. 6 - Prob. 19SQCh. 6 - During quorum sensing, bacteria sense their...Ch. 6 - Prob. 21SQCh. 6 - Identify the position of each of the following on...
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