Which step in the photolytic cycle is responsible for the visual excitation mechanism?  [electronic resource] 

 -  Experimental eye research  Apr 1969 
 - 256-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0014-4835 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Action Potentials<br/>Adenosine Triphosphatases--metabolism<br/>Animals<br/>Binding Sites<br/>Cattle<br/>Electrophysiology<br/>Light<br/>Photoreceptor Cells--anatomy & histology<br/>Rats<br/>Retinal Pigments--physiology