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TLS Online TPP Program

#Question id: 7216

Following statements are about Specification of cell fate by the Dorsal protein. Which of the following statement is correct?

#Unit 5. Developmental Biology
  1. Gradient of Dorsal translocation in the ventral cells of the embryo, with the highest concentrations of Dorsal in the most ventral cell nuclei, which become the mesoderm.
  2. Gradient of Dorsal translocation in the dorsal cells of the embryo, with the highest concentrations of Dorsal in the most dorsal cell nuclei, which become the mesoderm.
  3. In the dorsalized mutant has localization of Dorsal protein in any nucleus.
  4. In the ventralized mutant, has no localization of dorsal protein in any nucleus.
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TLS Online TPP Program

#Question id: 1091

#Unit 4. Cell Communication and Cell Signaling

Why does testosterone, a lipid-soluble signaling molecule that crosses the membranes of all cells, affect only target cells?
TLS Online TPP Program

#Question id: 5676

#Unit 5. Developmental Biology

The importance of dynein can be seen in individuals with a genetic syndrome known as the Kartagener triad. which of the following statement is correct?
TLS Online TPP Program

#Question id: 4429

#Unit 3. Fundamental Processes

A mutant is made that removes the CTD domain of RNA Polymerase II. Which are likely reasonable consequences? CHOOSE THE ONE BEST ANSWER
TLS Online TPP Program

#Question id: 8955

#Unit 9. Diversity of Life Forms

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

#Question id: 10574

#Unit 10. Ecological Principles

Which of the following statements about the evolution of life histories is correct?