Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Chapter 19.L1, Problem 4WC
Summary Introduction
To determine:
- The reason for the jaw “locking” in lockjaw.
- How it is possible for patients with no noticeable infection to present with symptoms of tetanus.
Introduction:
Clostridium tetani causes uncontrolled muscle contraction since the toxin produced by it affects certain control regions of the spinal cord.
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Students have asked these similar questions
Molecular Biology Question:
Please help. Thank you
Is Southern hybridization's purpose detecting specific nucleotide sequences? How so?
Use the following information to answer the question(s) below.
Martin Wikelski and L. Michael Romero (Body size, performance and fitness in Galápagos marine iguanas, Integrative and
Comparative Biology 43 [2003]:376-86) measured the snout-to-vent (anus) length of Galápagos marine iguanas and observed
the percent survival of different-sized animals, all of the same age. The graph shows the log snout-vent length (SVL, a
measure of overall body size) plotted against the percent survival of these different size classes for males and females.
Survival (%)
100-
80-
60-
40-
20-
0+
1.9
T
2 2.1
2.2 2.3 2.4 2.5 2.6 2.7
Log SVL (mm)
19) Examine the figure above. What type of selection for body size appears to be occurring in these marine iguanas?
A) directional selection
B) stabilizing selection
C) disruptive selection
D) You cannot determine the type of selection from the above information.
3
24) Use the following information to answer the question below.
Researchers studying a small milkweed population note that some plants produce a toxin and other plants do not.
They identify the gene responsible for toxin production. The dominant allele (T) codes for an enzyme that makes
the toxin, and the recessive allele (t) codes for a nonfunctional enzyme that cannot produce the toxin.
Heterozygotes produce an intermediate amount of toxin. The genotypes of all individuals in the population are
determined (see table) and used to determine the actual allele frequencies in the population.
TT
0.49
Tt
0.42
tt
0.09
Refer to the table above. Is this population in Hardy-Weinberg equilibrium?
A) Yes.
C) No; there are more homozygotes than expected.
B) No; there are more heterozygotes than expected.
D) It is impossible to tell.
Chapter 19 Solutions
Foundations in Microbiology
Ch. 19.1 - 1. Describe how cellular characteristics are used...Ch. 19.1 - 1. Explain why Bacillus, Clostridium, and...Ch. 19.2 - 2. Recall the general characteristics of the genus...Ch. 19.2 - 3. Distinguish between cutaneous and pulmonary...Ch. 19.2 - 4. State the general characteristics of the genus...Ch. 19.2 - 5. Recall the organisms responsible for...Ch. 19.2 - Prob. 6ELOCh. 19.2 - Prob. 7ELOCh. 19.2 - Prob. 8ELOCh. 19.2 - 9. Compare food intoxication caused by Bacillus...
Ch. 19.2 - Prob. 2CYPCh. 19.2 - Prob. 3CYPCh. 19.2 - 4. What are the common elements of puncture...Ch. 19.2 - 5. What is the relationship between the normal...Ch. 19.2 - Prob. 6CYPCh. 19.2 - Prob. 7CYPCh. 19.2 - 8. ln what way is the ingested agent responsible...Ch. 19.3 - 10. Relate the severity of listeriosis with the...Ch. 19.3 - 11. Explain why people in certain occupations are...Ch. 19.3 - 9. Compare the effects of listeriosis in healthy...Ch. 19.3 - 10. Why do erysipeloids commonly appear on the...Ch. 19.4 - Prob. 12ELOCh. 19.4 - Prob. 13ELOCh. 19.4 - Prob. 11CYPCh. 19.4 - Prob. 12CYPCh. 19.5 - Prob. 14ELOCh. 19.5 - Prob. 15ELOCh. 19.5 - Prob. 16ELOCh. 19.5 - Prob. 17ELOCh. 19.5 - 18. Explain the significance of nontuberculous...Ch. 19.5 - Prob. 13CYPCh. 19.5 - 14. Compile a list of the advantages,...Ch. 19.5 - 15. Explain how and why antibacterial treatment...Ch. 19.5 - 16. List several differences between lepromatous...Ch. 19.5 - Prob. 17CYPCh. 19.5 - 18. List the diseases and at-risk populations...Ch. 19.6 - Prob. 19ELOCh. 19.6 - 20. Describe the types of infections attributable...Ch. 19.6 - 19. Compare the types of infections caused by the...Ch. 19.L1 - 1. What is/are the usual habitat(s) of...Ch. 19.L1 - Prob. 2MCQCh. 19.L1 - Prob. 3MCQCh. 19.L1 - 4. Clostridium perfringens causes a. myonecrosis...Ch. 19.L1 - Prob. 5MCQCh. 19.L1 - Prob. 6MCQCh. 19.L1 - Prob. 7MCQCh. 19.L1 - Prob. 8MCQCh. 19.L1 - Prob. 9MCQCh. 19.L1 - 10. Soil mycobacteria can be the cause of a....Ch. 19.L1 - Prob. 11MCQCh. 19.L1 - Prob. 12MCQCh. 19.L1 - Prob. 13MCQCh. 19.L1 - Prob. 14MCQCh. 19.L1 - Prob. 15MCQCh. 19.L1 - 16. Matching. Match the disease with the principal...Ch. 19.L1 - Prob. 1CSRCh. 19.L1 - 2. During this outbreak, some people sickened with...Ch. 19.L1 - 3. No listeria monocytogenes was discovered in the...Ch. 19.L1 - Prob. 1WCCh. 19.L1 - Prob. 2WCCh. 19.L1 - Prob. 3WCCh. 19.L1 - Prob. 4WCCh. 19.L1 - Prob. 5WCCh. 19.L1 - 6. a. Why is listeriosis a serious problem even...Ch. 19.L1 - Prob. 7WCCh. 19.L1 - Prob. 8WCCh. 19.L1 - 9. a. Outline the unique characteristics of...Ch. 19.L1 - Prob. 10WCCh. 19.L1 - 11. a. What is the importance of NTM? b. Describe...Ch. 19.L1 - Prob. 12WCCh. 19.L2 - Prob. 1CTCh. 19.L2 - 2. a. Why is it unlikely that diseases such as...Ch. 19.L2 - Prob. 3CTCh. 19.L2 - Prob. 4CTCh. 19.L2 - Prob. 5CTCh. 19.L2 - 6. Adequate cooking is the usual way to prevent...Ch. 19.L2 - 7. a. Why do patients who survive tetanus and...Ch. 19.L2 - Prob. 8CTCh. 19.L2 - 9. How can one tell that acne involves an...Ch. 19.L2 - Prob. 10CTCh. 19.L2 - Prob. 11CTCh. 19.L2 - Prob. 12CTCh. 19.L2 - 13. Which diseases discussed in this chapter have...Ch. 19.L2 - 14. Eighty-six people at a St. Patrick's Day...Ch. 19.L2 - 15. An outbreak of gastrointestinal illness was...Ch. 19.L2 - Prob. 1VCCh. 19.L2 - 2. From chapter 3, figure 3.8. What type of...
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