BIO 1150 1st EditionExam # 5 Study Guide Lectures: 23 - 29Resource Acquisition and Transport in Vascular Plants- Understand the process in which water and minerals are moved in the xylem- Know what guttation is- Be able to apply the cohesion-tension hypothesis- Understand the difference between cohesion and tension- Know what water potential is and what factors effect it- Know the term embolism- Understand how the stomata works and what factors effect it- Know the adaptations developed by xerophytes- Know the term translocation- Understand how the phloem, sink and source all relateSoil and Plant Nutrition- Know what is meant by plant nutrients- Understand the dynamics of soil horizons- Be aware of all components of soil- Know the difference between macronutrients and micronutrients- Understand how leaves will show certain deficiencies- Know the process in which different bacteria makes gaseous nitrogen usable for plants- Know what rhizobium, flavonoids and nod factors are- Understand the differences between mycorrhizal fungi, ectomycorrhizae and endomycorrhize- Understand what it means for a plant to be epiphytesThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- Be able to identify parasitic and carnivorous plantsPlant Signaling and Hormones- Understand signal transduction pathways- Know what is considered reception, transduction and response- Know what receptors and second messengers are- Understand the purpose of hormones- Know what phototropism is- Know the basic facts about plant hormones- Understand all the components/effects of Auxin- Know what Cytokinins are and their roles in plants and in apical dominance- Understand Gibberellins - Know Abscisic acid’s role in droughts and seed dormancy- Be aware of the effects of Ethylene and its role in triple response and apoptosisPlant Responses to Environmental Stimuli- Understand how plants respond to:o Gravityo Mechanical Stimulio Droughto Oxygen Depletiono Salt Stresso Heat Stresso Cold Stresso Plant Pathogenso Insects- Know the role of hydrogen peroxide- Understand the differences between phytoalexins and PR proteinsTerrestrial Biomes- Know the defining characteristics of the following biomes:o Tropical Foresto Deserto Savannao Chaparralo Temperate Grasslandso Northern Coniferous Forest (Taiga)o Temperate Broadleaf Foresto TundraAquatic Biomes- Know the defining characteristics of the following biomes:o Lakeso Wetlandso Streams and Riverso Estuarieso Intertidal Zoneso Oceanic Pelagic Zoneo Coral Reefo Marine Benthic
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