Explain the synthesis of cytokinin from adenine in plants
Explain the synthesis of cytokinin from adenine in plants
Homework Answers
Answer
- cytokinins is a plant growth hormone helps in the cell division and inhibit the senescence
- cytokinin is rich in the growing tissue and meristematic region.
- chemical modifications of adenine present in the root synthesise cytokinine and then translate then to the shoots via xylem.
Process of biosynthesis of cytokinins (kinetin) from adenine
- kinetin is a cytokinins autoclaved from the DNA. It is an adenine derivative (6-furfurylaminopurine)
- kinetin is a byproduct of heat induced degradation of DNA.
- Kinetin is obtained by dextrose sugar of adenosine is converted to a furfuryl ring and that shifted from the 9th position to the 6th position on the ring of adenine.
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It has been known for +50 years that many plant cells are
totipotent and can be used to regenerate new plants from. Key
argument in support of that comes from leaf disc cultures in which
new organs can be induced from differentiated epidermal, mesophyll
and vascular cells (in figure). Explain to the best of your ability
what is likely to happen on a molecular level and how cytokinin
exposure can lead to shoot formation, and auxin exposure can lead
to...
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