Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 1884
TLS Online TPP Program

#Question id: 1909

Concerning MHC class II antigen differences between two individuals, which of the following is NOT TRUE?

#Unit 4. Cell Communication and Cell Signaling

  1. They produce mixed lymphocyte reactions

  2. They stimulate formation of helpers to generate cytotoxic T-cells

  3. They cause graft vs host disease

  4. For sibling pairs, they will only exist on average in one in four cases

More Questions
TLS Online TPP Program

#Question id: 12173

#Unit 8. Inheritance Biology

Female with only one X chromosome is a characteristics of individual with
TLS Online TPP Program

#Question id: 12570

#Unit 10. Ecological Principles

Extinction is a natural phenomenon. It is estimated that 99% of all species that ever lived are now extinct. Why then do we say that we are now in a biodiversity crisis?
TLS Online TPP Program

#Question id: 11991

#Unit 10. Ecological Principles

The success with which plants extend their range northward following glacial retreat is best determined by
TLS Online TPP Program

#Question id: 5234

#Unit 11. Evolution and Behavior

Which of the following would, if it had acted upon a gene, prevent this gene from acting as a reliable molecular clock?
TLS Online TPP Program

#Question id: 5531

#Unit 5. Developmental Biology

The trophoblast forms to the