PhysioEx Lab Unit 1 Print Options This box will be automatically hidden when printing. ← Back to Set Page Alphabetize terms Flip terms and definitions 2hr OGTT level aboe 200mg/dl: confirms diabetes dx 2hr. OGTT level b/w 140-200mg/dl: impaired glucose tolerance absolute refractory period: period when cell membrane is totally insensitive to additional stimuli‚ regardless of the stimulus force applied. ACTH: hormone released by the anterior pituitary. stimulated by a hypothalamic hormone
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peroxide decomposition. Measuring the rate of the reaction when hydrogen peroxide and Catalase are mixed at the same ratio for different time (10‚ 20 30 60 120 180 360 seconds). Background: Enzymes are biological catalysts that carry out cellular metabolic processes with the ability to enhance the rate of reaction between. They are large proteins made up of several hundred chains of amino acid. In an enzyme-catalyzed reaction‚ the substance to be acted upon‚ or substrate‚ binds to the active site of
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when the air is cooler and more humid than in the heat of the day. Their food is fairly dry and they do not take in liquid water by drinking. Like most animals‚ they produce water due to the oxidation of foods used in respiration. This "metabolic water" is the product of aerobic respiration - the final stage of oxidative phosphorylation being the reduction of oxygen using hydrogen ions and electrons. Lipids are especially important in this respect because on oxidation they produce more
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Hypoglycaemic and Hypolipidaemic Effects of Withania somnifera Root and Leaf Extracts on Alloxan-Induced Diabetic Rats Rajangam Udayakumar‚1‚2 Sampath Kasthurirengan‚2 Thankaraj Salammal Mariashibu‚2 Manoharan Rajesh‚2 Vasudevan Ramesh Anbazhagan‚2 Sei Chang Kim‚1 Andy Ganapathi‚1‚2 and Chang Won Choi1‚* In the present study‚ the key gluconeogenic enzyme G6P activity was assayed in liver of diabetic rats because the liver is the main organ responsible for maintaining homeostasis of blood glucose. The activity
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Introduction Enzymes are catalytic proteins. The purpose of a catalyst is to speed up metabolic reactions by lowering the free energy of activation or activation energy. Activation energy is known as the amount of energy needed to push the reactants over an energy barrier‚ so that the downhill part of the reaction can begin (Campbell 151). In an enzyme catalyzed reaction‚ the enzyme binds to its substrate‚ which is the reactant an enzyme acts on. In the reactions‚ the enzymes are very specific
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ml/min/100 g; p < 0.001). Skeletal muscle SUVs and Ki values were increased by insulin independent of dietary state‚ whereas in the brain‚ those parameters were not influenced by fasting or administration of insulin. Fasting led to a reduction in glucose metabolic rate in the myocardium (19.41 ± 5.39 vs. 3.26 ± 1.97 mg/min/100 g; p < 0.001)‚ the skeletal muscle (1.06 ± 0.34 vs. 0.34 ± 0.08 mg/min/100 g; p = 0.001) but
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WHY WE SLEEP The Functions of Sleep in Humans and Other Mammals J.A. Horne Published by Oxford University Press 1988 Contents CHAPTER 1 Introduction 1.1 Early Sleep Theories 1.2 Daily Sleep and Wakefulness 1.3 Measuring Sleep References CHAPTER 2 Sleep Deprivation 2.1 Problems with Animal Experiments 2.2 Recent Animal Experiments 2.3 Some Problems with Human Experiments 2.4 1896 - The First Real Sleep Deprivation Experiment on Humans 2.5 The Longest Study - 264 hours
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February 26‚ 2013 Journal Summary Inhibition of amygdaloid dopamine D2 receptors impairs emotional learning measured with fear-potentiated startle Name: Jerrelei Jumalon Student no. 11133317 Psychology 120-03 (4) Instructors Name: Dr. Quentin Greba The brain research report “Inhibition of Amygdaloid Dopamine D2 Receptors Impairs Emotional Learning Measured with Fear-potentiated Startle volume 899” by the authors Quentin Greba‚ Anna Gifkins and Larry Kokkinidis was published in the
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Antonio‚ 1996. Berntson‚ G. G.‚ Cacioppo‚ J. T. and Quigley‚ K. S. Cardiac psychophysiology and autonomic space in humans: empirical perspectives and conceptual implications. Psychol. Bull.‚ 1993‚ 114: 296–322. Bonnet‚ M. H. and Arand‚ D. L. 24 hour metabolic rate in insomniacs and matched normal sleepers. Sleep‚ 1995‚ 18: 581–588. Bonnet‚ M. H. and Arand‚ D. L. Heart rate variability in insomniacs and matched normal sleepers. Psychosom. Med.‚ 1998‚ 60: 610–615. Buysse‚ D. J.‚ Reynolds‚ C. F.‚ Monk‚ T
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accordance with the National Institute of Health guide for the care and use of Laboratory Animals (NIH Publication No. 85-23‚ revised 1996) and were approved by ethical guidelines (Ain Shams University‚ Egypt). Forty eight male Wistar rats weighing 180–220 g were used. All rats were maintained under standard conditions of temperature‚ about 24±1 ˚C‚ with 12-h light–dark cycle. Food and tap water were
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