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TLS Online TPP Program

#Question id: 12100

Prairie dogs once covered the expanses of the Great Plains. Their grazing made the grass more nutritious for the huge herds of bison, and a variety of snakes, raptors, and mammals   preyed on the rodents. In fact, the black- footed ferret (now endangered) specialized in prairie dog predation. Today, growing housing and agricultural developments have covered many prairie dog towns. Which of the following statements about prairie dogs is true?

#SCPH28 | Zoology
  1. Their realized niche has expanded.
  2. They have a mutualistic relationship with bison.
  3. They are probably a poor candidate for keystone species. 
  4. Their fundamental niche has expanded.

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TLS Online TPP Program

#Question id: 1677

#SCPH05 I Biotechnology

The Ly49A receptor on NK cells does NOT:
TLS Online TPP Program

#Question id: 1678

#SCPH01 Biochemistry

What does the MHC class I heavy chain consists of?
TLS Online TPP Program

#Question id: 1678

#I Life Science/ Life Sciences Group – I-V

What does the MHC class I heavy chain consists of?
TLS Online TPP Program

#Question id: 1678

#SCPH05 I Biotechnology

What does the MHC class I heavy chain consists of?
TLS Online TPP Program

#Question id: 1679

#SCPH01 Biochemistry

What is the molecular weight of MHC class II β chain?
TLS Online TPP Program

#Question id: 1679

#I Life Science/ Life Sciences Group – I-V

What is the molecular weight of MHC class II β chain?