MCQOPTIONS
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MCQOPTIONS
| 1. |
The biological clock measures the length at each night by the |
| A. | relative amount of red absorbing and far-red absorbing phytochrome present at dawn |
| B. | amount of far-red absorbing phytochrome at dusk |
| C. | relative amount of red absorbing and far-red absorbing phytochrome at mid day |
| D. | rate at which are kind of phytochrome is converted to the other |
| Answer» B. amount of far-red absorbing phytochrome at dusk | |