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Phylogenetic Analysis Assignment Introduction Molecular evolution is the study of how proteins and nucleic acids evolve. Included in this field are studies of mutations and chromosomal rearrangements, the evolutionary process, the identification of sequence patterns conferring function in proteins and nucleic acids, and the reconstruction of the evolutionary history of […]

1 The urinary system does all of the following, EXCEPT itA secretes excess glucose moleculesB regulates blood volumeC contributes to stabilizing blood pHD eliminates organic waste productsE regulates plasma concentrations of electrolytes 2 Conical structures that are located in the renal medulla are calledA pyramidsB renal columnsC renal pelvisesD nephronsE […]

Red pigment is produced in a fictional plant through the action of the gene paintball (P). Flowers of varying intensity from pale pink to bright red are made when the activity of the paintball enzyme is between 24 and 50. When the level of enzyme is below 24 the flowers […]

1. What is the purpose of flaming the loop prior to transferring an organism from a test tube to a petri plate? What type of heat is flaming? Why can’t the loop be put on the bench top after using it? 2. Why are antibacterials not used to destroy viruses? […]