Which of the following ion uptake into the presynaptic terminal causes release of the neurotransmitter?

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#Question id: 23199

#Unit 13. Methods in Biology

Metal shadowing- thin film of platinum is coated from a _________ which provides information about the three-dimensional topology of the sample.

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#Question id: 4437

#Unit 3. Fundamental Processes

_I_, in contrast to _II_ produces only transient copies and normally several from each transcribed region. Thus, a mistake during III will rarely do more harm.

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#Question id: 10892

#Unit 10. Ecological Principles

Considering environment and ecosystem, identify the INCORRECT statement

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#Question id: 19524

#Unit 12. Applied Biology

In the DNA-protein complex where central DNA core is surrounded by the N-terminal half of the Cry protein, while the C-terminal half of the protein 

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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?