Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 1695
TLS Online TPP Program

#Question id: 1720

Which of the following statements is TRUE of lymphocytes?

#Unit 4. Cell Communication and Cell Signaling

  1. Lymphocytes enter the tissues and remain there for the rest of their life

  2. When mature, lymphocytes are only found in secondary lymphoid organs

  3. Lymphocytes recirculate between blood and lymphoid tissues

  4. Lymphocytes are only educated in the thymus

More Questions
TLS Online TPP Program

#Question id: 1276

#Unit 4. Cell Communication and Cell Signaling

Which of the following does not belong to the major families of cell surface adhesion molecules?
TLS Online TPP Program

#Question id: 4872

#Unit 8. Inheritance Biology

F1 heterozygous females are test-crossed with males and produced 1800 progeny The interference between these genes is 0.4. What number is of observe double cross over? 
TLS Online TPP Program

#Question id: 3786

#Unit 3. Fundamental Processes

E. coli cells grown on 15N medium are transferred to 14N medium and allowed to grow for two more generations (two rounds of DNA replication). DNA extracted from these cells is centrifuged. What density distribution of DNA would you expect in this experiment?
TLS Online TPP Program

#Question id: 12296

#Unit 10. Ecological Principles

When calculating population growth rate, the symbol r refers to ________________.
TLS Online TPP Program

#Question id: 1715

#Unit 4. Cell Communication and Cell Signaling

Which of the following lymphoid tissues is unencapsulated?