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Organism and population  One mark questions:  1. Define benthic Zone? 2. Define the term ecological factor? 3. Name only one intracellular parasite? 4. What is biome? 5. Name the type of interaction seen between whale and barnacles growing on its back?  Two mark question:  1. Distinguish between the following : ectoparasites and endoparasites? 2. What […]

Lagniapposis is caused by a microparasite, Boudreauxia thibodauxi, and is transmitted directly by coughing and sneezing. It is highly transmissible and very virulent. Infected hosts become immune after a week if they do not die. Use the equation for directly transmitted microparasites to discuss the following. A. Lagniapposis’ current critical […]

1. Biologists frequently use phosphate-buffered solutions in experiments.  You need to prepare a sodium phosphate solution at pH 6.7 by mixing NaH2PO4 and Na2HPO4 (pKa =7.2).  What are the respective concentration of each of these substances if you want the final concentration of phosphate ([HPO4-2]+[H2PO4-] to be 150 mM? 2. Activity […]

Biology 1. Review the major steps of water molecules’ journey from soil to a tree and into leaves. Describe how sugar from photosynthesis is transported throughout the plant. Write a 700- to 1,050-word paper, including the pictures requested below, describing primary and secondary growth in plants and the journey of […]