Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through:

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#Question id: 7079

#Unit 5. Developmental Biology

In xenopus, In what conditions b-catenin on target gene expression without wnt protein?

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#Question id: 19792

#Unit 12. Applied Biology

Expression of BtR175 gene in mammalian cells enables Cry1Aa to bind the cells and cause their lysis. The specificity seems to be lost upon reduction of which amino acid residues of the protoxin, but can be restored by reoxidation of these residues?

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#Question id: 7307

#Unit 5. Developmental Biology

Which of the following statements regarding flowering plants is correct?

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#Question id: 2004

#Unit 4. Cell Communication and Cell Signaling

A bone marrow transplant may not be appropriate from a given donor (Jane) to a given recipient (Janeʹs cousin Bob), even though Jane has previously given blood for one of Bobʹs needed transfusions. Which of the following might account for this?

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#Question id: 23032

#Unit 12. Applied Biology

Which of the following leads to shedding of carbon dioxide which is necessary to prevent a drop in pH?