Animal circadian rhythms

Question 1

What are features of circadian rhythms

Answer 1

ubiquitous, feed-forward control, controls metabolism etc., endogeneous

Question 2

How does periphery-sensory modulation work?

Answer 2

“intrinsically photosensitive retinal ganglion cells” (ipRGCs) contain MELANOPSIN and sense light changes over time, signals via IP3 cascade like flies slowly, targets suprachiasmatic nucleus of hypothalamus

Question 3

Draw out cycle of clock protein production

Answer 3

see notes