Exam (elaborations)
Lecture 23 OE COMPLETE QUESTIONS AND ANSWERS (VERIFIED) (1).
- Course
- Biochemistry Module 3
- Institution
- Biochemistry Module 3
Lecture 23 OE COMPLETE QUESTIONS AND ANSWERS (VERIFIED) (1).
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Lecture 23 OE COMPLETE QUESTIONSAND ANSWERS (VERIFIED)
Phototropism - CORRECT ANSWER-Bending toward light. Occurs in the tip
Darwin and Darwin experiment - CORRECT ANSWER-Experiments showed TIPS
respond to the light
Boysen-Johnson - CORRECT ANSWER-MOBILE CHEMICALS activated by light for
bending and growth
Went Experiment - CORRECT ANSWER-Distribution of signal is responsible for
bending
IAA - CORRECT ANSWER-Causes growth by cell elongation
Increases concentration on darker side
Abscisic Acid - CORRECT ANSWER-Inhibits growth, sustains dormancy, and closes
stomata. produced in leaves, stems
Slows growth by antagonizing actions of growth hormones
Drought Tolerance in abscisic Acid - CORRECT ANSWER-ABA accumulates in
wilting leaves to cause stomata to close
Transport of ABA acts as an early warning system
Ethylene - CORRECT ANSWER-Promotes fruit rip. Gas produced in nodes, leaves,
fruits
Brassinosteroids - CORRECT ANSWER-Inhibit root growth, promote xylem
differentiation
Produced in leaves, stem, fruit
Cytokinesis - CORRECT ANSWER-Root growth and differentiation, germination,
flowering. Synthesized in roots
Gibberellins - CORRECT ANSWER-Seed, bud germination
Produced in apical meristems, roots, leaves, tissues, xylem differentiation
Stem elongation for Gibberellins - CORRECT ANSWER-Gibberellins produced in
young roots and leaves
Stimulate growth of leaves and stems by enhancing cell elongation and cell division
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