Science Quiz / HCHS Plant Hormones

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Can you name the HCHS Plant Hormones

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Stimulates stem elongation, pollen development, pollen tube growth, fruit growth, seed development & germination
Regulates cell division in shoots & roots/modify apical dominance/promotes lateral bud growth/promotes movement of nutrients into sink tissues/stimulates seed germination
Inhibits growth/promotes stomatal closure during drought stress/promotes seed dormancy/inhibits early germination/promotes leaf senescence & dessication tolerance
Produced in meristems of apical buds & roots, young leaves, & developing seeds
Stimulates stem elongation (low concentration only)/promotes formation of lateral & adventitious roots/regulates fruit development/enhances apical dominance/retards leaf abscission
Promote xylem & inhibits phloem differentiation
Gaseous hormone produced by almost all parts of the plant/produced in high concentrations in senescence, leaf abscission, & fruit ripening/synthesis stimulated by wounding/stress
Synthesized in shoot apical meristems , root apical meristems, & young leaves/developing sees & fruits contain high levels
Functions in phototropism and gravitropism/promotes vascular differentiation/indoleacetic acid (IAA)/name coined by Went
Promote cell expansion & cell division in shoots/promote root growth at low concentrations/inhibits at high concentrations
Regulates sex determination & transition from juvenile to adult phases
Promotes ripening of many fruits, flowering in pineapples, leaf abscission, root & root hair formation, triple response in seedlings/enhances rate of senescence
Synthesized primarily in roots as well as many other minor sites and transported to other organs
Nearly all plant cells can synthesize this hormone/can be transported in xylem or phloem

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