Podcast
Questions and Answers
What characterizes stage 15 of Arabidopsis flower development?
What characterizes stage 15 of Arabidopsis flower development?
- Cell division in the endocarp ceases
- The petals and sepals begin to wither
- The silique shattering process starts
- The stigma extends above the long anthers (correct)
Which feature is observed during stage 16 of Arabidopsis flower development?
Which feature is observed during stage 16 of Arabidopsis flower development?
- The silique is twice as long as a stage-13 pistil (correct)
- Sepals and petals are actively growing
- Xylem lignification stops in the vascular bundles
- Cell division in the mesocarp increases
What occurs during stage 17 of Arabidopsis flower development?
What occurs during stage 17 of Arabidopsis flower development?
- Senescent floral organs abscise from the silique (correct)
- The lateral vascular bundles expand
- The inner endocarp cell layer lignifies further
- The silique begins to yellow from the base to the tip
In Arabidopsis flower development, what happens during stage 18?
In Arabidopsis flower development, what happens during stage 18?
What is suggested to contribute to the silique shattering process in Arabidopsis flower development?
What is suggested to contribute to the silique shattering process in Arabidopsis flower development?
During which stage of Arabidopsis flower development does the green silique reach its final length?
During which stage of Arabidopsis flower development does the green silique reach its final length?
Which gene has been linked to the promotion of lamina outgrowth and expansion in Arabidopsis, maize, and rice?
Which gene has been linked to the promotion of lamina outgrowth and expansion in Arabidopsis, maize, and rice?
Which gene acts as a positive regulator of leaf blade growth in Arabidopsis?
Which gene acts as a positive regulator of leaf blade growth in Arabidopsis?
Which factor influences leaf size and shape by repressing plant organ growth?
Which factor influences leaf size and shape by repressing plant organ growth?
What is responsible for the formation of marginal structures resulting from differential growth in adjacent regions?
What is responsible for the formation of marginal structures resulting from differential growth in adjacent regions?
Which gene promotes growth in both layers of the epidermis?
Which gene promotes growth in both layers of the epidermis?
What is the purpose of the ABC model for floral development?
What is the purpose of the ABC model for floral development?
In stage 20 of Arabidopsis flower development, what happens to the valves of the silique?
In stage 20 of Arabidopsis flower development, what happens to the valves of the silique?
What is the significance of the separation layer in stage 19 of flower development?
What is the significance of the separation layer in stage 19 of flower development?
Which process marks the readiness for seed dispersal in a dehiscent silique?
Which process marks the readiness for seed dispersal in a dehiscent silique?
What does the ABC model for floral development help explain?
What does the ABC model for floral development help explain?
How do the valves of a dehiscent silique change from stage 19 to stage 20?
How do the valves of a dehiscent silique change from stage 19 to stage 20?
