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Details Title: 39 Description: control systems in plants Total Flash Cards: 20 Created: 05/06/2005 18:11:35	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term phototropism Definition growth of shoot toward a light Term auxin Definition stimulates stem elongation, root growht, differentiation, branching, development of fruit. Term cytokinis Definition affect root growth and differentiaiton, stimulate division and growth, germination delay senescence Term gibberellins Definition prmote seed and bud germination, stem elongation adn leaf growth, stimulate flowering and development of fruit, affect root growth and differentiation Term abscisic acid Definition inhibits growt, closes stomata during water stress, counteracts braking of dormancy Term ethylene Definition fruit ripening, opposes auxin effects Term brassinostreoids Definition required for normal growth and development Term tropism Definition growth responses that result in the curvatures of whoel plant toward or away from stimuli Term gravitropism Definition response of gravity Term statiliths Definition specializes plastids containing dense starch grains Term thigmotropisms Definition dirrectional growth in response to touch Term thigmomorphogenesis Definition developmental response to mechanical perturbaiton Term sleep movements Definition powerd by daily changes in the turgor pressure of motor cells Term circadian rythm Definition physiological cycle of 24 hrs Term shortday plant Definition requires shorter lgiht period long night plant Term long day plants Definition flower only when lgiht period is long short night plants Term phytochromes Definition pigments that help measure the legnth of darkness Term gene for gene recognition Definition speicfic resistance to disease Term phytoalexins Definition antimicrobial compounds Term PR proteins Definition antimicrobila or signaling