Question
This quantity’s matric component, which arises from capillary and adhesive forces, may be as low as minus two for a dry seed, but becomes less negative during phase one imbibition. For 10 points each:
[10m] Name this quantity measured in units of megapascals. When this quantity is lower outside a cell than inside, the wilting response occurs.
ANSWER: total water potential [prompt on potential]
[10e] Accumulation of this stress hormone is a defining phenotype of the drought response in plants. This hormone, which regulates transpiration loss by causing stomatal closure, also regulates leaf bud dormancy.
ANSWER: abscisic acid [or ABA]
[10h] Studies of the drought response in plants may find it useful to analyze this genus of poikilohydric spike-moss. This genus is notable for its members’ extreme abilities to recover from near complete desiccation, earning them the apt nickname of resurrection plants.
ANSWER: Selaginella
<BB/RH, Biology>
Summary
| 2024 Chicago Open | 07/28/2024 | Y | 13 | 7.69 | 69% | 8% | 0% |
Data
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