#Question id: 14486
#Unit 13. Methods in Biology
#Question id: 7704
#Unit 9. Diversity of Life Forms
The best classification system is that which most closely ________.
#Question id: 1388
#Unit 4. Cell Communication and Cell Signaling
When Lucifer yellow, a small dye, is injected into a neuron of the retina, neighboring neurons become rapidly labeled. If the retina is incubated in dopamine prior to Lucifer yellow injection, only the injected neuron becomes labeled. These findings suggest which of the following?
I. Neurons of the retina communicate via gap junctions.
II. Dopamine is transferred between cells via gap junctions.
III. Dopamine decreases the permeability of gap junctions.
#Question id: 23810
#General Aptitude
#Question id: 15366
#Unit 4. Cell Communication and Cell Signaling