Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 25642
TLS Online TPP Program

#Question id: 6962

In which way is the organizer region of the sea urchin similar to that in frogs?

#5. Developmental Biology
  1. The organizer induces the dorso-ventral axis.
  2. The organizer forms near the dorsal lip of the blastopore.
  3. The organizer accumulates -catenin, which in turn activates the expression of cell-cell signaling molecules.
  4. The organizer will become the mesoderm.
More Questions
TLS Online TPP Program

#Question id: 11993

#10. Ecological Principles

Which of the following statements about light in aquatic environments is correct? 
TLS Online TPP Program

#Question id: 1293

#4. Cell Communication and Cell Signaling

NCAMs, a group of cell-adhesion proteins belonging to the Ig superfamily. Which of the following is not a property of NCAM?
TLS Online TPP Program

#Question id: 9158

#9. Diversity of Life Forms

Coral reefs occur on the southeast coast of the United States but not at similar latitudes on the southwest coast. Differences in which of the following most likely account for this?
TLS Online TPP Program

#Question id: 8787

#9. Diversity of Life Forms

Which of the following statements is accurate, at least according to our present knowledge?
TLS Online TPP Program

#Question id: 24042

#Aptitude

The main objective of f. m. station in radio is: