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Give a brief summary of microbial taxonomy with reference to the classical characteristics employed in microbial classification:
Discuss the role of phages in the elimination of bacterial pathogens:
a) On what part of the microscope is the x4 objective lens mounted to allow different objective lenses to be rotated into position? (1 mark)
b) Which part of the microscope associated with the mechanical stage is the specimen slide held? (1 mark)
Which part of the microscope is used to bring the specimen clearly into view (sharpen the image seen)?
Describe the steps you would take to identify Staphylococcus aureus from a patient’s blood sample:
Write briefly of the mode of transmission, clinical manifestation and diagnostic techniques of infections associated with the following medically important microorganisms: 3.1. Vibrio cholerae (10) 3.2. Candida albicans (10) 3.3. Schistosoma hematobium (10)
Dormant state is normally exhibited by Gram +ve bacteria. What are the biomolecules that differentiate these with Gram -ve bacteria? (7 marks)
Give details on the biomolecular content that can be engineered to make a bacterium to be used in the self-healing concept (8 marks)
When you are engineering multiple microorganisms for a similar output, what kind of species relationship you will consider and explain with rationale?
describe activation of CD4 helper T cells by interaction of the TCR with peptide fragments presented by class II MHC molecules on APCs
Describe cross presentation of antigen in which dendritic cells are able to capture and ingest a virus infected or tumor cell and present the antigen to naive CD8 T cells via the class I MHC pathway
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#340153 on Dec 2023