A bag contains 2 white and 3 black balls. A ball is drawn 5 times, each being replaced before another is drawn. Find the probability that exactly 4 of the balls drawn are white.

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#Question id: 31176

#Unit 7. System Physiology – Animal

Inhibitory postsynaptic potential (IPSP) is caused by:

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#Question id: 31177

#Unit 7. System Physiology – Animal

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

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#Question id: 31178

#Unit 4. Cell Communication and Cell Signaling

Wnt is a combination of which of the following proteins?

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#Question id: 31179

#Unit 4. Cell Communication and Cell Signaling

Wnt proteins are signaling molecules secreted from the cell and are modified by linkage of a:  

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#Question id: 31180

#Unit 4. Cell Communication and Cell Signaling

Wnt proteins are modified by linkage of a monounsaturated fatty acid, to which of the following amino acid in the middle of the wnt protein? 

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#Question id: 31181

#Unit 4. Cell Communication and Cell Signaling

The principal signaling receptor for Wnt proteins is Frizzled (Fz), which contains: