Which of the following gene is responsible for the activation of the tips of the embryo and responsible for the specification of terminal axis?

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#Question id: 4050

#Unit 3. Fundamental Processes

An antibody was produced and used in an immunohistochemical assay to detect the location of RNA polymerase II in a thin section of a liver biopsy. The section was stained with the antibody that had been labeled with a fluorescent tag, and then viewed under a fluorescent microscope. State where you would expect to find positive staining if the enzyme is present.

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#Question id: 28580

#Unit 5. Developmental Biology

Fgf9 represses __

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#Question id: 19042

#Unit 13. Methods in Biology

In thin layer chromatography, the stationary phase is made of _________ and the mobile phase is made of _________ 

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#Question id: 4533

#Unit 3. Fundamental Processes

When multiple activators work together, they often do so synergistically. That is, the effect of

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#Question id: 9272

#Unit 6. System Physiology – Plant

The quantum yield of photosynthesis falls off drastically for far-red light of wavelengths greater than 680 nm, indicating that far-red light alone is inefficient in driving

photosynthesis, this effect is called