Physiology - Structure and Function of Plants - Lecture Notes, Study notes of Biology

Download Physiology - Structure and Function of Plants - Lecture Notes and more Study notes Biology in PDF only on Docsity! Physiology 1. Sugar – basic building blocks of cells a. Starch b. Cell walls c. Fatty Acids d. Amino Acids 2. How do cells communicate? 3. Plant Hormones - Facilitate cell-cell interaction a. Cellular differentiation b. Cellular responses to c. Light d. Dark e. Temperature f. Gravity g. Water h. Competition from neighboring plants i. herbivores 4. Five traditional classes of plant hormones a. Auxins b. Cytokinins c. Ethylene d. Abscisic acid e. Gibberellins 5. The effects of Auxins were first noted in experiments conducted by Charles Darwin and his son Francis • Auxin has many important effects – we will only study a few. Darwin’s Experiment with developing grass coleoptiles (the sheath around the young stem) • Auxin synthesis and transport • Primarily Leaf Primordia • Some in young seeds, fruits, etc (see text) Transported from tip toward base – “basipetal” From shoot tip to root or from leaf tip to base. 5-20cm per hour! Docsity.com