Module 2 Chapter 28.docx - Module 2 Chapter 28 29 Decomposers Organism usually a bacterium or fungus that breaks down organic matter into organic

Module 2 Chapter 28.docx - Module 2 Chapter 28 29...

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Module 2 Chapter 28 & 29 Decomposers: Organism, usually a bacterium or fungus that breaks down organic matter into organic nutrients that can be recycled in the environment. Bacteria: Microscopic living organisms, usually one-celled, that can be found everywhere. They can be dangerous such as when they cause an infection, or beneficial as in process of fermentation and that of decomposition. Gram stain: Method of determining whether a culture of bacteria possess a layer of exposed peptidoglycan outside of their plasma membrane; used to classify bacteria as Gram-positive or Gram-negative now used to determine the most effective antibiotic treatment. Flagella: Long, slender extension used for locomotion by some bacteria, protozoans, and sperm. Binary fission: Splitting of a parent cell into two daughter cells; serves an asexual form of reproduction in bacteria. Endospores: Spore formed within prokaryotic cell that protects the DNA within the cell from environmental stress.
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