#Question id: 7313
#Unit 5. Developmental Biology
Which of the following statement incorrect about the meristem?
#Question id: 11955
#Unit 7. System Physiology – Animal
The process of obtaining food is known as ________ and requires specialized feeding mechanisms.
#Question id: 12028
#Unit 7. System Physiology – Animal
#Question id: 22969
#Unit 7. System Physiology – Animal
#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.