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Surname 1 Laboratory Exercise Questions-lab 11 Student’s Name Institution Instructor Date Laboratory Exercise Questions 1. Identify the shape and Gram reaction of the following bacterium. (4 points) It is a gram positive bacilli bacterium since it has stained purple in color, taking he color of the primary stain. 2. Name three bacteria (scientific names) and the diseases they cause in humans. (6 points) a. Name and disease Vibrio cholerae -causing cholera.
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Surname 2 b. Name and disease Mycobacterium tuberculosis - causes tuberculosis (TB) c. Name and disease Bordetella pertussis - causing whooping cough (pertussis) 3. Are members of the kingdom Eubacteria single-celled or multicellular? (2 points) They are single-celled organisms lacking nuclei among other organelles. 4. State two beneficial uses of bacteria. (4 points) a. Used in making antibiotics like Streptomyces and vaccines b. Used as carriers for gene transfers 5. Name three protista (scientific names) and the diseases they cause in humans. (6 points) a. Name and disease Entamoeba histolytica - causes amoebic dysentery b. Name and disease Plasmodium vivax - causes malaria c. Name and disease Trypanosomoa brucei gambiense - causes sleeping sickness.
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