Which is evidence that the suprachiasmatic nucleus is a master clock?
A) Cells from the SCN maintain circadian rhythms of electrical activity when isolated in culture.
B) Cells from the SCN each display different free-running rhythms of electrical activity.
C) Lesioning of the SCN completely and permanently disrupts circannual rhythms.
D) Lesioning of the SCN does not disrupt circannual rhythms.

Question

Quizplus · Accepted Answer

Cells from the SCN maintaining circadian rhythms of electrical activity when isolated in culture indicates that the SCN has an intrinsic ability to generate and maintain circadian rhythms, supporting its role as a master clock.

Which Is Evidence That the Suprachiasmatic Nucleus Is a Master