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TLS Online TPP Program

#Question id: 6987

Which of the following statements about axon-guidance is TRUE?

#5. Developmental Biology
  1. Netrins are long-range cues for chemorepulsion
  2. Semaphorins are short-range cues for chemorepulsion
  3. Cadherins are short-range cues for contact attraction
  4. Ephrins are short-range cues for contact attraction
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TLS Online TPP Program

#Question id: 8952

#9. Diversity of Life Forms

The blastopore is a structure that first becomes evident during
TLS Online TPP Program

#Question id: 8953

#9. Diversity of Life Forms

The blastopore denotes the presence of an endoderm-lined cavity in the developing embryo, a cavity that is known as the
TLS Online TPP Program

#Question id: 8954

#9. Diversity of Life Forms

Which of the following is descriptive of protostomes?
TLS Online TPP Program

#Question id: 8955

#9. Diversity of Life Forms

Which of the following characteristics generally applies to protostome development?
TLS Online TPP Program

#Question id: 8956

#9. Diversity of Life Forms

Protostome characteristics generally include which of the following?
TLS Online TPP Program

#Question id: 8959

#9. Diversity of Life Forms

The most ancient branch point in animal phylogeny is that between having