Is each of the following a circadian clock input, circadian clock output, core clock component (or more than one of these)?
| A. |
sunlight |
| B. |
serum growth hormone |
| C. |
serum melatonin |
| D. |
vasoactive intestinal polypeptide (VIP) |
| E. |
body temperature |
| F. |
suprachiasmatic (SCN) neuron firing rate
|
| G. |
BMAL1 |