In the neurotransplantatio n experiment by Ralph and colleagues,
the suprachiasmatic nuclei (SCN) were transplanted from the fetuses of mutant hamsters that had abnormally brief free-running sleep-wake cycles into normal adult hamsters whose sleep-wake cycles had been abolished by SCN lesions. The transplants initiated __________ sleep-wake cycles in the recipients.
A) 24-hour
B) 24-hour free-running
C) 25.5-hour free-running
D) 20-hour free-running
E) reversed
Question 2
There is good evidence that the internal circadian clock is located in the
A) suprachiasmatic nuclei.
B) raph nuclei.
D). basal forebrain.
E) optic nerves.C) caudal reticular formation.
Use of fluorescent molecules by Lowenstein and colleagues to determine the size of gap-junction chan
Field experiment on effects of predation on male guppy colouration
The Meselson-Stahl Experiment p1
Primatologist Volker Sommer and his colleagues showed that langur infanticide had adaptive value and
Pavlov’s Salivary Conditioning Experiment (2 of 2)
Redi Experiment