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- Which of the following is NOT characteristic of the glycocalyx found in bacteria? Select one: A) a structure that can be visualized using an acidic negative stain and a basic counterstain B) creates a slimy, slippery coating that prevents bacteria from attaching to surfaces C) if firmly attached, contributes to bacterial virulence D) a viscous coating surrounding the cell made of polysaccharide, polypeptide, or bothMention schematically stages of the life cycle of Plasmodium. (If possible please refer to NCERT.)Give some examples of slime mould?
- Enteric bacteria, lactic acid bacteria, and propionic acidbacteria have distinctive metabolic traits that can be used tocharacterize and identify these organisms. Describe themetabolic characteristics of these organisms, name a genusthat belongs to each group, and indicate in what way theseorganisms can be differentiated.Characterize and identify the Genus of the following cyanobacterium Genus Identification of Cyanobacterium C (see image) Table: Descriptive Characteristics for Genus Identification of the Cyanobacterium C. Morpho-cytological Characteristics Characters 1. Vegetative cell shape (2D) 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Vegetative cellular arrangement (grouping) Number of cells in large aggregates (colonies) Layers of trichomes in a filament Presence and shape of a heterocyst in the trichome Presence and shape of akinetes in the trichome Presence of baecytes (endospores) in a colony Polarity and tapering of the trichome Shape of end cells in a filament Presence of a gelatinous or colonial sheath Presence of branching Protoplasm color Protoplasm granulation Thylakoid arrangement if observable (ultrastructural) Diagnostic Key Characteristics for Genus ID using the dichotomous key of Lobban & N'Yeurt (2006) Latest Classification based on Algaebase (algaebase.org) Kingdom:…Characterize and identify the Genus of the following cyanobacterium Genus Identification of Cyanobacterium E Table: Descriptive Characteristics for Genus Identification of the Cyanobacterium E. Morpho-cytological Characteristics Characters 1. Vegetative cell shape (2D) 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. EXT Vegetative cellular arrangement (grouping) Class: Order: Family: Genus: Number of cells in large aggregates (colonies) Layers of trichomes in a filament Presence and shape of a heterocyst in the trichome Presence and shape of akinetes in the trichome Presence of baecytes (endospores) in a colony Polarity and tapering of the trichome Shape of end cells in a filament Presence of a gelatinous or colonial sheath Presence of branching Protoplasm color Protoplasm granulation Thylakoid arrangement if observable (ultrastructural) Diagnostic Key Characteristics for Genus ID using the dichotomous key of Lobban & N'Yeurt (2006) wwwwwwww Latest Classification based on Algaebase…
- In the diagram below, identify the structures of a cyanobacterial cell based on the following descriptions: a) Outer cellular covering which includes: Mucilaginous layer – outermost layer covering the cell wall; protects the cell from harmful factors of the environment Cell wall – found just below the mucilaginous layer; 2 or 3-layered, the inner layer lies in between the outer wall layer and plasma membrane; the outer layer is made of peptidoglycan Innermost plasma membrane – selectively permeable membrane enclosing the cytoplasm b) Cytoplasm – found below the plasma membrane; the protoplasm which contains structures of different shapes and functions. Lamellae, which contain pigments such as chlorophylls, carotenes, xanthophylls, phycoerythrin and phycocyanin, are located in the peripheral region of cytoplasm. Ribosomes may also be found scattered in the cytoplasm. c) Nucleic material – the nucleoplasm that is centrally located in the cell and contains chromatin in the form…Archaea exhibit a wide variety of cell shapes, including some that are unique. Suggest why this diversity exists and what advantages the unique shapes might confer.characterize and identify the Genus of the following cyanobacterium Genus Identification of Cyanobacterium D (see image) Table: Descriptive Characteristics for Genus Identification of the Cyanobacterium D. Morpho-cytological Characteristics Characters 1. Vegetative cell shape (2D) 2. 3. 4. 5. 6. Presence and shape of a heterocyst in the trichome Presence and shape of akinetes in the trichome Presence of baecytes (endospores) in a colony Polarity and tapering of the trichome Shape of end cells in a filament Presence of a gelatinous or colonial sheath Presence of branching Protoplasm color Protoplasm granulation Thylakoid arrangement if observable (ultrastructural) Diagnostic Key Characteristics for Genus ID using the dichotomous key of Lobban & N'Yeurt (2006) 7. 8. 9. 10. 11. 12. 13. 14. Vegetative cellular arrangement (grouping) Number of cells in large aggregates (colonies) Layers of trichomes in a filament Latest Classification based on Algaebase (algaebase.org) Kingdom:…