Physiology : Eating • Digestive system – stores and uses energy – Absorption & Fasting – See diagrams • Describe how brain & rest of body controls eating (100%) or role of Hypothalamus Metabolism – Absorption & Fasting When we eat we must obtain adequate amounts of carbohydrates‚ fats‚ amino acids‚ vitamins and minerals to construct and maintain our organs‚ to obtain energy for muscular movement and for keeping our bodies warm. Most of the molecules we eat get ‘burned’ to provide the
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designed to clarify whether dichlorovos an organophosphorus (OP) compound causes detectable adverse effects on rat testes. Dichlorovos was administered to rats orally at dose level of 20 mg/kg/body wt./day for 45 days. Sex organ weight analysis‚ fertility‚ biochemical‚ enzymatical and hormonal parameters were the criteria used to evaluate the toxicity of the dichlorovos in treated rats. Study shows significant decline in the weight of testes‚ epididymis‚ seminal vesicle‚ ventral prostate and reduction
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Surname Centre Number Candidate Signature Other Names Candidate Number Leave blank General Certificate of Education June 2004 Advanced Level Examination BIOLOGY/HUMAN BIOLOGY (SPECIFICATION A) Unit 5 Inheritance‚ Evolution and Ecosystems Tuesday 22 June 2004 Morning Session No additional materials are required. You may use a calculator. BYA5 For Examiner’s Use Number 1 2 Mark Number Mark Time allowed: 1 hour 30 minutes Instructions • Use blue or black ink or ball-point pen. • Fill in the boxes
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Introspection was one of the first branches of psychology‚ popularized by Wilhelm Wundt. It was a technique which allowed trained subjects to describe their experiences and thought processes in response to a stimuli. The subjects had to be trained for this process because the responses had to be elementary mental elements. For example‚ Wundt wanted subjects to describe chords on a piano to see if they could accurately recall each individual chord. Unfortunately‚ introspection grew less popular over
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symbolism of the rats‚ the weather of Oran and the town itself and the death of Jacques Othon. The theme of the preservation of human life and fighting against death is conveyed through the symbolism of the characters of Dr. Rieux‚ Rambert and Tarrou. Without these symbols‚ the themes would lose a lot of their meaning. Suffering and agonizing pain abound throughout this novel. A plague spreads across the town of Oran. The plague‚ very similar to the Bubonic Plague is first seen in the rats that inhabit
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the movie. In the movie‚ Rat Kiley who is telling the story seems gentler. In the book they make it seem like everything Rat says is exaggerated‚ but the movie does not stress that fact. "Among the men in Alpha Company‚ Rat had a reputation for exaggeration and overstatement‚ a compulsion to rev up the facts‚ and for most of us it was normal procedure to discount sixty or seventy percent of anything he had to say" (O’Brien 89). Also‚ the movie emphasizes the fact that Rat Kiley fell in love with Mary
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Prenatal Alcohol Exposure A healthy prenatal environment is a key factor for a fetus in the womb. Alcohol‚ caffeine‚ tobacco‚ and drugs are just some of the dangerous teratogens that can affect the soon to be born baby. However‚ alcohol can be one of the most hazardous teratogens to a fetus. Prenatal alcohol exposure may cause Fetal Alcohol Syndrome (FAS)‚ childhood depressive symptoms‚ lowered IQ and much more. Prenatal alcohol exposure may cause irreversible damages to a child. Major depressive
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you can imagine. However‚ you would never find these in an American restaurant. Another is in some areas rats are like field animals and people eat them like they are a squirrel or rabbit. American on the other hand thinks that rats are dirty and disgusting animals. This is because they live in filth in city sewage and garbage dumps. Also‚ rats carry multiple diseases. In other countries the rats live in fields‚ eat grass
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Name ________________________ Date ________________ Endocrine System Physiology R E V I E W S H E E T E X E R C I S E 4 (Activity 2‚ 3‚ & 4) A C T I V I T Y 2 Plasma Glucose‚ Insulin‚ and Diabetes Mellitus 1. What is a glucose standard curve‚ and why did you need to obtain one for this experiment? Did you correctly predict how you would measure the amount of plasma glucose in a patient sample using the glucose standard curve? _A glucose standard curve is a method for identifying
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hormone(s) in the hypophysectimized rat‚ what would be some expected symptoms? You correctly answered: d. decreased basal metabolic rate 3. An injection of thyroxine to an otherwise normal rat will cause which of the following? You correctly answered: b. hyperthyroidism 4. Why didn’t any of the rats develop a goiter after thyroxine injection? You correctly answered: a. In all cases‚ TSH levels were not elevated by the thyroxine injection. 5. Why did the normal rat develop a palpable goiter with
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