Nerve Transmission and Vertebrate Eye Crossword

The two types of photoreceptor cells in the retina?
What occurs due to a build-up of ions?
Protein used to actively pump excess ions in and out of the cell?
Different forms of this protein combining with retinal give different sensitivity to specific wavelengths of light in cone cells
The area within the eye that detects light?
Transducin activates this enzyme
cGMP changes conformation and is removed from the channel, which causes the Ion channel to...?
Inactivation of the sodium channels and the opening of the potassium channels _____ the resting membrane potential
A wave of electrical excitation along a neurons plasma membrane
What occurs when there is change in the membrane potential to a less negative value inside?
A very high degree of this results in rod cells to be able to respond to low intensities of light
The complex which consists of retinal and opsin
The activation of this G-protein results in the closure of the sodium ion channel
How does a photon of light change rhodopsin into photoexcited rhodopsin?
The PDE catalyses the hydrolysis of a ligand called...?
A state where there is no net flow of ions across the membrane
What initiates a response by binding to their receptors at a synapse?
What are neurotransmitter receptors?
What type of ions leak across the membrane when cGMP binds to ligand gated ion channels?
What is the full name of PDE?