Kinetics of long-lived rhodopsin photoproducts in the frog retina as a function of the amount bleached.
Photoreceptor shedding is initiated by light in the frog retina.
To obtain embryos, the same female frog used for collecting oocytes was allowed to recover for 2 weeks from the surgery.
This inter twining may have included co-fasciculation like that described above for the frog, although it was not specifically mentioned.
Individual frogs were placed in an arena with uniformly colored white walls.
The skin was sutured and the frog allowed to survive for 1-3 days.
The effect of human chorionic gonadotrophin and luteinizing hormone upon the membrane potential of unovulated frog oocytes.
This could enable frogs to accurately find a single object and to select the most nasal object when there is more than one object visible.
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