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TLS Online TPP Program

#Id: 9942

Diphtheria

Natural infection with C. diphtheriae occurs only in humans and is spread by respiratory droplets. 

The organism colonizes the nasopharyngeal tract and causes little tissue damage, with only a mild inflammatory reaction. 

#Unit 4. Cell Communication and Cell Signaling #Infectious Diseases #Part B Pointers
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TLS Online TPP Program

#Id: 2163

#Unit 11. Evolution and Behavior

An adaptation is a characteristic that enhances the survival or reproduction of organisms that bear it.
TLS Online TPP Program

#Id: 2164

#Unit 11. Evolution and Behavior

Adaptation is a Centerpiece of Origin of Species.
TLS Online TPP Program

#Id: 2165

#Unit 11. Evolution and Behavior
TLS Online TPP Program

#Id: 2166

#Unit 11. Evolution and Behavior

Adaptation has costly side effect
TLS Online TPP Program

#Id: 2167

#Unit 11. Evolution and Behavior

Natural selection is any consistent difference in fitness among different classes of biological entities.
TLS Online TPP Program

#Id: 2168

#Unit 11. Evolution and Behavior

Fitness is as the number of offspring an individual leaves in the next generation.