Question
Describe the role of auxin and cytokinin in plant development.
Answer :
Word Count : 445
Auxins and cytokinins are two of the most important classes of plant hormones that play crucial roles in regulating plant growth and development. Auxins, primarily indole-3-acetic acid (IAA), are synthesized mainly in the shoot apical meristem, young leaves, and developing seeds. They are known for their role in cell elongation, apical dominance, root initiation, and tropic responses. Auxins promote cell elongation by increasing the plasticity of the cell wall through activation of proton pumps, which lowers the pH in the cell wall, thereby activating enzymes like expansins that loosen ______ _______ _________ _________ _________ ____ ____ _________ __________ _____ _______.
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Auxins and cytokinins are two of the most important classes of plant hormones that play crucial roles in regulating plant growth and development. Auxins, primarily indole-3-acetic acid (IAA), are synthesized mainly in the shoot apical meristem, young leaves, and developing seeds. They are known for their role in cell elongation, apical dominance, root initiation, and tropic responses. Auxins promote cell elongation by increasing the plasticity of the cell wall through activation of proton pumps, which lowers the pH in the cell wall, thereby activating enzymes like expansins that loosen ______ _______ _________ _________ _________ ____ ____ _________ __________ _____ _______.
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