1 Using the following information: Nutritional Mitochondria? Chlorophyll? Type? Motile? Euglena Both + + Giardia Heterotroph Heterotroph Nosema Autotroph Pfiesteria Heterotroph + Trichomonas Heterotroph Trypanosoma a. create a dichotomous key for distinguishing these unicellular organisms. b. Which cause human disease? 2. Using the additional information shown below: a. create a cladogram for these organisms. b. Do your two keys differ? Explain why. c. Which key is more useful for laboratory identification? d. Which key is more useful for classification? rRNA base # 20 19 16 17 18 13 14 15 10 11 12 7 6 5 4 2 1 U U С G U U G с C Euglena G G G U U с с Giardia C G A G A U с с Nosema C G С U с C Pfiesteria G A G U с С Trichomonas A G G U U C с Trypanosoma ACUGCA AUUAGA AAUAU 2 AA UAU AACAC 0o AUG ACAG 3A A A A

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Bacterial Genomics

The study of the morphological, physiological, and evolutionary aspects of the bacterial genome is referred to as bacterial genomics. This subdisciplinary field aids in understanding how genes are assembled into genomes. Further, bacterial or microbial genomics has helped researchers in understanding the pathogenicity of bacteria and other microbes.

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In the discovery of genetic material, the experiment conducted by Frederick Griffith on Streptococcus pneumonia proved to be a stepping stone.

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