Homeostasis Homeostasis refers to the ability of the body or a cell to seek and maintain a condition of equilibrium or stability within its internal environment when dealing with external changes. It is involved in the maintenance of the constant internal environment which includes the function of kidney‚ liver‚ skin‚ etc. In humans‚ homeostasis happens when the body regulates body temperature in an effort to maintain an internal temperature around 98.6 degrees Fahrenheit. For example‚ we sweat to
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Unable to read the Gram Stain at first it was later confirmed that Unknown #7 was a gram negative bacteria. When introduced to Starch Unknown #7 produced no zone of clearing showing that it did not contain the enzyme amylase. When introduced to the Lipid Unknown #7 did produce a zone of clearing indicating that it did contain the enzyme lipase. When introduced to Casein Unknown #7 produced no zone of clearing indicating that it did not contain the enzyme protease. When streaked onto the Gelatin‚
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this article‚ it attempt to clarify the plant morphology and its concept‚ review its historical heritage and discusses‚ how it differs and relates in systematics. It also shows that plant morphology as a scientific discipline and any predictions can be made out unknown. The title in this article is quite clear and clearly clarifies in the abstract the purpose of the study. In the introduction‚ Dohan R. Kaplan2 plainly said that the plant morphology is not that so familiar science or unknown
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Discuss the role of endogenous pacemakers and exogenous zeitgebers in the sleep-wake cycle and at least one other biological rhythm Endogenous pacemakers and exogenous zeitgebers can manipulate the various bodily rhythms‚ and have particular affects on the sleep / week cycle in the circadian rhythm. Endogenous pacemakers are separate and distinct internal rhythms that affect the bodily rhythms; similarly‚ exogenous zeitgebers are outside influences‚ and sometimes outside rhythms that also affect
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Outline and evaluate the role of endogenous pacemakers and of exogenous zeitgebers in the control of circadian rhythms (8+16) Circadian rhythms are biological rhythms that occur every 24 hours‚ an example of a circadian rhythm is the sleep-wake cycle‚ another circadian rhythm is body temperature which is at its lowest at around 36 degrees at night and it peaks in the morning at 38 degrees. Endogenous pacemakers are internal body ’clocks’ that will modulate biological rhythms‚ the SCN is an example
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We have an internal body clock the lasts the duration of a day (24 hours)‚ which is therefore able to control the circadian rhythm. As the biological body clock is controlled inside it is known as endogenous‚ these are called endogenous pacemakers. So how do these work on their own to affect the sleep-wake cycle and why do we need external factors to also help control our circadian rhythms? There have been many studies into endogenous pacemakers to see if our sleep-wake cycle (circadian rhythms)
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Rebekah Worley February 21‚ 2012 Mitchell Section 4 Biol 311 Staining and Identifying Unknown Bacteria Introduction: The microbiology lab up to this point has been used to teach the students how to stain and identify bacteria. There are several types of staining through which the bacteria can be identified based on the color and shape. The staining methods used in the lab are Gram Staining‚ Capsule Staining‚ Endospore Staining‚ and Acid Fast staining. One of the most significant method of
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Newton‚ & Newton‚ (2008‚ p. 11). Just as phonics teaches word families‚ Greek and Latin roots will help students sound out words and determine the meanings of words (Padak‚ Newton‚ Rasinski‚ and Newton (2008‚ p. 29). Nagy & Anderson‚ 1984‚ found morphology played an important role in learning vocabulary by allowing students to make semantic connections between related word families. They concluded‚ “The ability to utilize morphological relatedness among words puts a student at a distinct advantage
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the length of exposure to the agent ‚ the number of microorganism present and the material bearing the microorganism . Bacterial growth can be controlled by chemical agents such as: sterilization in which we kill all living organisms. Disinfection‚ decontamination‚ disinfectant‚ antiseptic‚ sanitizer and antibiotic are another chemical agents that can used to affect on bacterial growth. Chemical methods involve the application of specific chemical agents which inhibit growth or kill microbes on
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SOIL USED IN THE TREATMENT OF BACTERIAL DIARRHOEABYSITUMBEKO LIWELEYA(s213459531)Research Proposal Submitted in fulfilment of the requirements for the degree of BTECHBIOMEDICAL TECHNOLOGY | | FACULTY OF HEALTH SCIENCES | atNelson Mandela Metropolitan University | MODULE- RESEARCH METHODOLOGYDUE DATE- 16th MAY‚ 2013.SUPERVISOR- PROFESSOR N. SMITH | | Contents ANTIMICROBIAL PROPERTIES OF SOIL USED IN THE TREATMENT OF BACTERIAL DIARRHOEA 3 ABSTRACT 3 LITERATURE
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