1)Which of the following statements about reactive oxygen species (ROS.docx

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1)Which of the following statements about reactive oxygen species (ROS) is false? A)Vitamin E is an anti-oxidant enzyme. B)Most ROS persist in the cell for long periods of time. C)An overproduction of ROS and/or insufficient anti-oxidant defense mechanisms contributes to oxidative damage of macromolecules. D)All aerobic organisms have evolved anti-oxidant mechanisms to protect cells from oxidative damage. E)In aerobic organisms, small quantities of ROS are normally produced in the mitochondria as a by-product of aerobic metabolism. 2)Which of the following statements about Entamoeba histolytica is true? A)It obtains energy by aerobic respiration. B)It is part of the Excavata lineage. C)The cyst is the infective stage of the life cycle. D)It is an autotroph. E)It reproduces sexually. .

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1. Complete an in-depth analysis of the Railway Labor act including its amendments, judicial interpretations, and administrative law. Having studied the RLA over the past weeks you will now tie it together with what you have learned about labor relations thus far. Choose a case from any internet source on this topic and be sure to include in your respo\nce 2. Explain arbitartion and mediation and how they apply to labor realtions .

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1. An information system A. Collects, processes, stores, and distributes information B. Thinks on its own C. Decreases efficiency and effectiveness D. Is computer-hased 2. The three activities in an information system that produce the information that organizations need are: A) information retrieval, research, and analysis.- B) input, output, and feedback. C) data, information, and analysis. D) data analysis, processing, and feedback. E) input, processing, and output. 3. Which of the following is NOT a management level in an organization? A. Operational Management B. Strategic Management C. Middle Management D. Senior Management 4. Converting raw data into a more meaningful form is called A) processing. B) capturing C) organizing. D) feedback. E) analysis. 5. A is a senior manager who oversees the uge of IT in the firm. A) CEO B) CFO C) CIO D) CTO E) CKO .

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