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Questions and Answers
Which form of ABA is naturally occurring and ubiquitous in vascular plants?
Which form of ABA is naturally occurring and ubiquitous in vascular plants?
- cis-ABA (correct)
- trans-ABA
- cis-ABA and trans-ABA
- inactive ABA
What is the physiological effect of ABA?
What is the physiological effect of ABA?
- Signal transduction (correct)
- Vivipary
- ABA:GA ratio
- Seed dormancy
What is vivipary?
What is vivipary?
- The absence of ABA in liverworts
- The synthesis of ABA in cells containing chloroplasts and amyloplasts
- The precocious germination of seeds in the fruit while still attached to the plant (correct)
- The fluctuation of ABA biosynthesis and concentrations during development
Which mutant of maize synthesizes ABA in almost all cells that contain chloroplasts and amyloplasts?
Which mutant of maize synthesizes ABA in almost all cells that contain chloroplasts and amyloplasts?
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What controls seed dormancy in plants?
What controls seed dormancy in plants?
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