Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
4th Edition
ISBN: 9781319154639
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Chapter 15, Problem 2SA
Summary Introduction
To analyze:
The reason why it is difficult to make generalization about the group of organisms sometimes referred to as ‘microbes’.
Introduction:
Microbes are the smallest organisms on earth. They may be composed of prokaryotic or eukaryotic cells and may be unicellular or multicellular.
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Chapter 15 Solutions
Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
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- 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:…arrow_forwardWhich of the following is true about proteobacteria? Select all that apply. O they are gram negative O they are gram positive O they are typically classified based on their G+C content O Agrobacterium is an example of a proteobacterium O They are all pathogenic O None are pathogenic O Some genera are important members of the nitrogen cycle O They are metabolically diverse Most are extremophiles O Neisseria is an example of a proteobacteriumarrow_forwardThere are different types of bacteria classify them based on following: i. Shapes ii. gram stain iii. oxygen demand iv. mode of nutritionarrow_forward
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Bacterial Endospore Formation -Biology Pundit; Author: Biology Pundit;https://www.youtube.com/watch?v=6_sinRhE8zA;License: Standard YouTube License, CC-BY
Taxonomy of Bacteria: Identification and Classification; Author: Professor Dave Explains;https://www.youtube.com/watch?v=8IJRzcPC9wg;License: Standard YouTube License, CC-BY