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TLS Online TPP Program

#Question id: 14812

Size and foreignness are not, by themselves, sufficient to make a molecule immunogenic; other properties are needed as well. Which one is not correct immunogenic properties?

#XL - S Microbiology
  1. synthetic homopolymers  (polymers composed of a single amino acid or sugar) tend to lack immunogenicity regardless of their size.
  2. that copolymers composed of different amino acids or sugars are usually more immunogenic than homopolymers of their constituents.
  3. greater the phylogenetic distance between two species causes lower immunogenic 
  4. bovine serum albumin (BSA) is not immunogenic when injected into a cow but is strongly immunogenic when injected into a rabbit.
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TLS Online TPP Program

#Question id: 18003

#XL - R Botany

In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg? 
1. micropyle 2. style 
3. ovary 4. stigma 
TLS Online TPP Program

#Question id: 12589

#XL - R Botany

Which of these ecosystems has the highest net primary productivity per square meter?
TLS Online TPP Program

#Question id: 4622

#XL - S Microbiology

 Catastrophism, meaning the regular occurrence of geological or meteorological disturbances (catastrophes), was Cuvierʹs attempt to explain the existence of
TLS Online TPP Program

#Question id: 10921

#XL - R Botany

The mechanism of phloem translocation in angiosperms is best explained by which method?
TLS Online TPP Program

#Question id: 4942

#XL - S Microbiology

Which of the following has not yet been synthesized in laboratory experiments studying the origin of life?