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| Kinesin is a cellular motor protein that transports molecules along microtubules. Drosophila oocyte kinesin transports molecules in the ___________ direction of the microtubules toward the _____________ of the developing oocyte. |
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| Drosophila anterior-posterior patterning is controlled by several sets of genes that are activated sequentially. The last set of zygotic genes to be activated for this purpose is the ________________. |
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| Xenopus sperm entry is confined to the animal pole of the egg. The Drosophila egg develops a structure called the ______________ that determines the sperm entry site on the egg. |
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| Chordin is secreted by the Organizer, and is capable of inhibiting the BMP signaling pathways in the Xenopus embryonic ectoderm. Inhibition of the BMP pathway, but not the Wnt pathway results in the formation of _______________________ in the ectoderm. |
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| Xwnt8, a Xenopus Wnt pathway signaling activator, can bind to_________________. |
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| The mid-blastula transition in Drosophila involves a transfer of genetic control from ____________________. |
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| Molecule secreted by the Organizer and required for the development of dorsal structures. |
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| Paracrine factor antagonist |
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| Cell surface receptor binding of a secreted factor, results in a response from the receiving cell. |
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| Fluid-filled cavity of the embryo, just prior to gastrulation. |
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| Region of Xenopus embryo 180° from sperm entry site |
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| Drosophila embryo with a single cell membrane, but with many nuclei |
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| Presumptive embryonic and extraembryonic tissue |
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