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TLS Online TPP Program

#Question id: 1358

In going from the apical to the basal end of an epithelial cell, in what order do the various cell surface junctions appear?

#Unit 4. Cell Communication and Cell Signaling

  1. tighl junction —> adherens  junction —>desmosomes —> hemidesmosonm 

  2. Desmosomes—>hemidesmosomes—>adheren s junctio n—>tight junction

  3. adherens junction —> tight junction —> desmosomes —> hemidesmosomes

  4. light junclion —> adhcrens junclion —> hemidesmosomes —>desmosomes

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TLS Online TPP Program

#Question id: 31255

#Unit 5. Developmental Biology

When the hypostome is brought into contact with the trunk of an adult hydra, it induces expression of the__________ in a Wnt-dependent manner.
TLS Online TPP Program

#Question id: 28437

#Unit 5. Developmental Biology

Primitive groove is homologous to_____
TLS Online TPP Program

#Question id: 2907

#Unit 2. Cellular Organization

With respect to histone modifications, which, if any, of the following statements, is true?
TLS Online TPP Program

#Question id: 8773

#Unit 9. Diversity of Life Forms

Which eukaryotic kingdom includes members that are the result of endosymbioses that included an ancient aerobic bacterium and an ancient cyanobacterium?
TLS Online TPP Program

#Question id: 1622

#Unit 4. Cell Communication and Cell Signaling

 Polymorphonuclear neutrophils attack bacteria: