When a neuron responds to a particular neurotransmitter by opening gated ion channels, the neurotransmitter is serving as which part of the signal pathway?

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#Question id: 8864

#XL - T Zoology

Corals are most closely related to which group?

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#Question id: 8887

#XL - T Zoology

Generally, members of which flatworm class(es) are nonparasitic?

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#Question id: 4608

#XL - T Zoology

What must be true of any organ described as vestigial?

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#Question id: 4609

#XL - T Zoology

Pseudogenes are ________.

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#Question id: 14999

#XL - T Zoology

I know that black coat color in mice is dominant to albino. Black mice get a higher price at the pet store so I am disappointed when I cross a black mouse with an albino mouse and get 6 albino and 2 black mice in the litter. I expected all black. What mistake did I make?