Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 1.1, Problem 1RIA
Retrieve, Infer, Apply
1. How did the methods used to classify microbes change, particularly in the last half of the twentieth century? What was the result of these technological advances?
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a. What percentage of a drug is eliminated after 4 half-lives? Please round to the nearest percent.
b. What will happen to elimination of the drug in the previous question if the system is saturated? explain and show any math involved
If you wanted to reduce the difference between peak and trough levels that occur with repeated administration of a drug, how would you adjust the dose and dose interval without changing the plateau concentration (plateau is the average of peak and trough levels)? Select your answers for both dose and interval. Hint: It may be helpful to think about this problem using an example such as food. How would you eat if you wanted to maintain very steady hunger/satiety levels without changing your total caloric intake?
Options:
A. Dose; Increase dose
B. Dose; Decrease dose
C. Dose; Do not change dose
D. Interval; Increase the interval between doses (give the drug less frequently)
E. Interval; Decrease the interval between doses (give the drug more frequently)
F. Interval; Do not change the interval
What percentage of a drug is eliminated after 4 half-lives? Please round to the nearest percent. Show the math
Chapter 1 Solutions
Prescott's Microbiology
Ch. 1.1 - Retrieve, Infer, Apply 1. How did the methods used...Ch. 1.1 - Prob. 2RIACh. 1.1 - Prob. 1MICh. 1.1 - MICRO INQUIRY How many of the taxa listed in the...Ch. 1.2 - Retrieve, Infer, Apply 1. List two reasons RNA is...Ch. 1.2 - Retrieve, Infer, Apply 2. Explain the...Ch. 1.2 - Retrieve, Infer, Apply 3. What is the difference...Ch. 1.2 - Prob. 4RIACh. 1.2 - MICRO INQUIRY Why ore the probionts pictured above...Ch. 1.2 - MICRO INQUIRY Why does the branch length indicate...
Ch. 1.3 - Retrieve, Infer, Apply 1. What does the theory of...Ch. 1.3 - Retrieve, Infer, Apply 2. What did Pasteur prove...Ch. 1.3 - Prob. 2.1RIACh. 1.3 - Prob. 2.2RIACh. 1.3 - Prob. 3.1RIACh. 1.3 - Retrieve, Infer, Apply 2. How did Winogradsky and...Ch. 1.3 - Retrieve, Infer, Apply 3. How might the work of...Ch. 1.4 - Retrieve, Infer, Apply 1. Since the 1970s,...Ch. 1.4 - Retrieve, Infer, Apply 2. What is metagenomics?...Ch. 1.4 - Retrieve, Infer, Apply 3. Briefly describe the...Ch. 1.4 - Retrieve, Infer, Apply 4. Log all the microbial...Ch. 1.4 - Retrieve, Infer, Apply 5. List all the activities...Ch. 1 - Compare, Hypothesize, Invent 1. Microscopic...Ch. 1 - Compare, Hypothesize, Invent 2. Why arent viruses,...Ch. 1 - Compare, Hypothesize, Invent 3. Why was the belief...Ch. 1 - Compare, Hypothesize, Invent 4. Would microbiology...Ch. 1 - Compare, Hypothesize, Invent 5. Some individuals...Ch. 1 - Prob. 6CHICh. 1 - Prob. 7CHICh. 1 - Prob. 8CHICh. 1 - Compare, Hypothesize, Invent 9. Consider the...Ch. 1 - Compare, Hypothesize, Invent 10. Support this...Ch. 1 - Compare, Hypothesize, Invent 11. Scientists are...
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