With Regards to Circadian Rhythms

Multiple Choice

With regards to circadian rhythms

A) The hypothalamus' supraoptic nucleus maintains them.
B) The suprachiasmatic nucleus is responsible for generating them.
C) They are brought about by fluctuating levels of clock proteins.
D) The hypothalamus' supraoptic nucleus maintains them, and the suprachiasmatic nucleus is responsible for generating them.
E) The hypothalamus' supraoptic nucleus maintains them, and they are brought about by fluctuating levels of clock proteins.