Loss of Thalamic Nuclei for “Head Direction” Impairs Performance on Spatial Memory Tasks in Rats Keerthi Thallapureddy Dr. Mercedes Fernandez NOVA Southeastern University The purpose of this study is to investigate the effects of the removal of two nuclei‚ the anterior dorsal (AD) and the lateral dorsal (LD)‚ in rats on the performance of spatial and nonspatial tasks. The reason for this investigation is to advance in the knowledge and understanding of the biological bases of navigation. The
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were used in order to look for significant metabolic changes when the test subjects were exposed to different drugs and physiological changes. In this test‚ three different rats were used to see the different metabolic rates when exposed to different drugs and hormones on a normal‚ healthy rat‚ a rat with no thyroid‚ and a rat with no hypophysis. The significance of this experiment is to show the difference in metabolism and metabolic rate in healthy individuals‚ subjects‚ and individuals with no
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Induction of diabetes mellitus in rats using intraperitoneal streptozotocin: a comparison between 2 strains of rats: Principle: To notice and examine the diabetic effect of streptozotocin which is an anti-biotic found to have a destructive effect on islets of Langerhans; beta ones which lead to disturbances in insulin production causing type 1 diabetes mellitus in animals‚ between different strains of rats when injected intraperitoneally. Procedure: • 20 adult male nude rats of average weight 250-300 mg
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In this essay I will be explaining the similarities and the differences in the stories. The stories I will be comparing and contrasting are “The Legend of The Cat and The Rat” and “How The Cat and The Mouse became Enemies”. Both of these stories are set in China. In this paragraph I will be explaining the plots these two stories. The plot of “How The Cat and The Mouse became Enemies”. In this story it begins with the two animals being good friends. Then one day the mouse decides to ask the cat
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Some rats are are vicious creatures that carry deadly diseases and can severely harm a human. According to John Davis‚ “Around 60% of the rodents carry Weil’s disease‚ he added‚ which causes flu-like symptoms or in more serious cases kidney and heart failure”. Also as claimed Victoria Gill‚ “A once in a generation‚ gigantic plague of rats‚ that ruins crops and leaves people starving”. To add on‚ rats can be a really insane and cause infestations and why they cause them. Also many people try to terminate
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1: Determining Baseline Metabolic Rates. How did the baseline metabolic rates of the three rats differ? Answer: | The metabolic rates for the thyroidectomized and hypophysectomized rats were lower than that of the normal rat. | | | 2. | | Why did the metabolic rates differ? Check all that apply: Answers: | The hypophysectomized rat lacked thyroid-stimulating hormone. The thyroidectomized rat lacked thyroxine hormone. | | | | 3. | | Refer to Activity 2: Determining the Effect
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Compare and Contrast Legend This essay is going to be about the Cat and Rat: Legend of the Chinese Zodiac and the Cat and Mouse: Legend of the Chinese Zodiac. The theme of the story is the cat and rat are bitter enemies. The origin is the cat and rat/mouse are best friends. The hook means that the cat and rat always end up being enemies because of rat. The essay will show the differences and similarities of the cat and rat story and the cat and mouse story. First this essay will explain how the
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1. The normal rat had the fastest BMR. 2. Because of the different organs that were removed from the two other rats that would produce certain hormones. My prediction was correct. 3. Thyroxine would be missing in its blood. 4. Thyroxine wouldn’t be released which helps maintain metabolism and body. The hormone levels would be lower as a result. 5. The metabolic rate went up.My prediction was correct. 6. It raised the rate‚ even though it wasn’t as high as the normal rat’s‚ it was
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Pro-Social Behavior in Rats‚” Inbal Ben-Ami Bartal‚ Jean Decety‚ and Peggy Mason conclude the experiment and findings of their study about whether rats exude pro-social behavior due to empathy. Housing pairs of rats for 2 weeks‚ one pair of rats was trapped in a container that could only be opened from the outside. In an unfamiliar situation‚ unlocking the cage to liberate the caged rat requires the free rat to venture away from the outside safety zone. In the experiment‚ the free rats learned to open the
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(BMR) of the remaining rats compared with the BMR of the normal rat you just measured. Your answer : c. The BMR of both remaining rats will be lower than the normal rat’s BMR. Predict Question 2: What do you think will happen after you inject thyroxine into the three rats? Your answer : a. The normal rat will become hyperthyroidic and develop a goiter. Predict Question 3: What do you think will happen after you inject TSH into the three rats? Your answer : a. The normal rat will become hyperthyroidic
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