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 35.1, Problem 3RIA
Why would a psychrophile not be a human pathogen?
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foraging/diet type
teeth
tongue
stomach
intestines
cecum
Insectivory
numerous, spiky, incisors procumbentExample: moleExample: shrew
--
simple
short
mostly lacking
Myrmecophagy
absent or reduced in numbers, peg-likeExample: tamandua anteater
extremely long
simple, often roughened
short
small or lacking
Terrestrial carnivory
sharp incisors; long, conical canines; often carnassial cheek teeth; may have crushing molarsExample: dog
--
simple
short
small
Aquatic carnivory
homodont, spiky, numerousExample: common dolphin
--
simple or multichambered (cetaceans only)
variable
small or absent
Sanguinivory
very sharp upper incisors; reduced cheek teethExample: vampire bat
grooved
tubular, highly extensible
long
small or lacking
Herbivory (except nectivores)
incisors robust or absent; canines reduced or absent; diastema; cheek teeth enlarged with complex occlusal surfacesExample: beaver
--
simple (hindgut fermenters) or multichambered (ruminants)
long
large
Filter feeding
none…
3. Shown below is the dental formula and digestive tract anatomy of three mammalian species
(A, B, and C). What kind of diet would you expect each species to have? Support your
answers with what you can infer from the dental formula and what you can see in the
diagram. Broadly speaking, what accounts for the differences?
Species A
3/3, 1/1, 4/4, 3/3
པར『ན་
cm 30
Species B
4/3, 1/1, 2/2, 4/4
cm 10
Species C
0/4, 0/0,3/3, 3/3
020
3. Shown below is the dental formula and digestive tract anatomy of three mammalian species
(A, B, and C). What kind of diet would you expect each species to have? Support your
answers with what you can infer from the dental formula and what you can see in the
diagram. Broadly speaking, what accounts for the differences?
Species A
3/3, 1/1, 4/4, 3/3
cm 30
Species B
0/4, 0/0, 3/3, 3/3
cm 10
Species C
4/3, 1/1, 2/2, 4/4
E
0 cm 20
AIL
Chapter 35 Solutions
Prescott's Microbiology
Ch. 35.1 - MICRO INQUIRY What physical and chemical methods...Ch. 35.1 - MICRO INQUIRY During which stages does the host...Ch. 35.1 - Define infection, infectious disease,...Ch. 35.1 - What factors determine the outcome of most...Ch. 35.1 - Why would a psychrophile not be a human pathogen?Ch. 35.1 - What are some important characteristics of a...Ch. 35.1 - Prob. 5RIACh. 35.1 - How would you determine the ID50 of a suspected...Ch. 35.1 - What is an obligate intracellular pathogen? How...Ch. 35.1 - Prob. 8RIA
Ch. 35.2 - Describe several specific adhesins by which...Ch. 35.2 - What are virulence factors?Ch. 35.2 - What are pathogenicity islands and why are they...Ch. 35.2 - Prob. 4RIACh. 35.2 - What is a biofilm? How is it a virulence factor?Ch. 35.3 - Prob. 1RIACh. 35.3 - Define droplet nuclei, vehicle, fomite, and...Ch. 35.3 - Prob. 3RIACh. 35 - Prob. 1CHICh. 35 - Prob. 2CHICh. 35 - Prob. 3CHICh. 35 - Prob. 4CHICh. 35 - Prob. 5CHICh. 35 - Prob. 6CHI
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