By A. Osko. Oral Roberts University.

But that does not mean Mairs views herself as immobile—the very trait prompting oth- ers to call her disabled purchase 100 mg vantin overnight delivery. Certainly I am not mobility impaired; in fact discount vantin 200mg visa, in my Quickie P100 with two twelve- volt batteries, I can shop till you drop at any mall you designate, I promise” (1996, 38, 39). But my feelings about language and its implications are not always straightforward. A professional meeting a while back gave me the chance to talk with someone I had not seen in many years. As a junior faculty member, he had steadfastly supported me during medical school. He sat down with a look of concern, saying, “You’re really disabled, aren’t you? We were now professional equals and I’d hoped we would interact on those terms, talking about careers and academic interests. It wasn’t the label I objected to, but the implied judgment about my life, the potential pity, and the ineluctable gulf it placed between us. Near the end of each interview with individuals with difficulty walking, I asked whether they viewed themselves as “disabled. They spoke the language that historically has defined our collective national ethos: remaining independent, doing things for themselves, taking respon- sibility for their lives, not being a burden on others,“standing on their own two feet. Margaret Freemont in her early seventies was an emeritus university professor. Other people struggle with straight hair and ugly dispositions, bad teeth, no education, and bad husbands. People of privilege (certainly Nancy Mairs and myself) may too easily dis- miss the linguistic debate.

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Assessment criteria There is no set marking scheme that is used as a standard by all tutors for assessing essays generic vantin 200mg. The way in which this type of written work is assessed 180 WRITING SKILLS IN PRACTICE varies between markers and between institutions order vantin 100mg overnight delivery. Some tutors work out a system where a set amount of marks is awarded to each main point covered in the essay. The accumulated figure is then converted into a percentage, which in turn may be used to place the stu­ dent within a band or grade. This tends to work well with descriptive questions, but is less useful for essays where a greater depth of understand­ ing needs to be demonstrated by the student. Analytical questions benefit from an approach where assessment is based on a variety of criteria that reflect several subsets of skills. The marker will be looking for evidence of the student’s performance in each of these skill areas. Knowledge of the subject ° Evidence – ° Able to recall facts and figures accurately. Understanding of the subject ° Ability to analyse information Evidence – ° Able to identify key components of an idea or concept. Essay skills ° Interpretation Evidence – ° Identified key elements of the title. Marking schemes are devised in a way that helps the tutor allocate marks according to the degree that the student has met the criteria. For example: ESSAYS 183 Knowledge detailed 5 4 3 2 1 sketchy in-depth 5 4 3 2 1 shallow thorough 5 4 3 2 1 superficial Tutors may use a weighting system so that certain skill subsets receive a higher percentage of the marks. Submitting your essay Ask your tutor or refer to your institutional guidelines about presentation and submission of your essay.

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The aerobic mode of energy production can occur in the disperse cytoplasm of bacteria and in the compartmental- AAerobes EROBES ized regions of yeast vantin 200mg fast delivery, fungi and algae cells trusted 100mg vantin. In the latter microorganisms, the structure in which the reactions take Aerobic microorganisms require the presence of oxygen for place is called the mitochondrion. Molecular oxygen functions in the respiratory path- chondrion are coordinated with other energy-requiring way of the microbes to produce the energy necessary for life. See also Carbon cycle in microorganisms; Metabolism The opposite of an aerobe is an anaerobe. An anaerobe does not require oxygen, or sometimes cannot even tolerate the presence of oxygen. AGAMMAGLOBULINAEMIA WITH HYPER There are various degrees of oxygen tolerance among IGM • see IMMUNODEFICIENCY DISEASE SYNDROMES aerobic microorganisms. Facultative aerobes prefer the presence of oxygen but can adjust their metabolic machinery so as to grow in the absence of oxygen. Microaerophilic AAgar and agaroseGAR AND AGAROSE organisms are capable of oxygen-dependent growth but can- not grow if the oxygen concentration is that of an air atmo- Agar and agarose are two forms of solid growth media that are sphere (about 21% oxygen). Oxygen functions to accept an electron from a sub- Both agar and agarose act to solidify the nutrients that would stance that yields an electron, typically a substance that con- otherwise remain in solution. Compounds called flavoproteins and to liquefy when heated sufficiently, and both return to a gel cytochromes are key to this electron transport process. By accepting an electron, oxygen Solid media is prepared by heating up the agar and enables a process known as catabolism to occur. The then sterilized, typically in steam-heat apparatus known as an energy is used to sustain the microorganism.

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