mother rat during the first week of life shapes her pups’ epigenomes. A high nurturing mother rat shapes her pup’s epigenome by licking‚ grooming‚ nipple switching‚ and arched back nursing. Highly nurtured rat pups tend to grow up to be calm‚ relaxed adults‚ while rat pups who receive little nurturing tend to grow up to be anxious and aggressive. The anxious‚ guarded behaviour of the low-nurtured rat is an advantage in an environment where food is scarce and danger is high. The low nurtured rat is more
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Activity 1 Which rat had the fastest baseline metabolic rate? Normal Rat Why did the metabolic rates differ? The hypophysectomized rat lacked thyroid-stimulating hormone. The thyroidectomized rat lacked thyroxine hormone. Activity 2 What was the effect of thyroxine on the normal rat’s metabolic rate? How does it compare to the normal rat’s baseline metabolic rate? Thyroxine caused the metabolic rate to increase; it was faster. Why was this effect seen? Because it stimulates heart rate‚
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arriving at a building nearby on the cannery street of Monterey. He enters the building and we see a laboratory with rats and snakes‚ a dissecting table and even cats in pens. One would conclude that he is a scientist. He builds a fire and heats up dinner. There is nothing very fancy about his laboratory. In fact‚ it seems like he lives very simply. He lays out his starfish and feeds the rats. It has a soothing feel to the reader as he goes about his work until he lifts a cat out of its pen and places
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After grew up‚ even though she tried to repress the memory of the events by doing her job eagerly‚ she suffered from the flashback unconsciously. She still suffered from the nightmare of the awful screaming of the lambs made her wake up in the dark and felt helplessness. She might criticize herself because she couldn’t do anything for the lambs. For her treatment‚ I want to recommend Cognitive Behavioral Therapy (CBT). According to US Department of
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depression in teenagers. This article really discovers the effects of cannabinoids on rats which have had a prolonged exposure to CUS. The colleagues tested Long-Evans rats who were 70 days old with an independent variable as the amount of cannabinoids used on a CUS induced rat and the dependent variable as the amount of depression the rats had. A main method the researchers used to analyze the depression in rats was their sexual activity. All the behavioral testing was performed during the middle
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9‚ 2014 Jade Bost Explain the initial pairing of the banging bar and the rat in terms of learning through classical conditioning. What is unconditioned stimulus (US)‚ conditioned stimulus (CS)‚ and conditioned response (CR)? Albert is a nine month old boy who was subject to emotional testing. He went through a series of pretesting and was eventually introduced to a white rat. Albert initially had no fear of the rat but every time he would reach out to touch it he heard the sound of a hammer
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Cat and Rat Compare and Contrast There two legends explaining why the cats and rats/ mice are enemies. The two legends “Cat and Rat‚” and “How Cats and Mice Became Enemies‚” show how these two became enemies. The theme of these stories are that selfishness is awful thing. The “Cat and Rat” is a Zodiac tale. “How Cats and Mice Became Enemies” is a legend. In this essay I will explain the similarities and differences of these two tales. This paragraph will explain the things that are the same about
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According to “Climate” by Marietta College‚ there are two types of deserts‚ subtropical and temperate. Both of these deserts receive less than 100 centimeters of precipitation per year‚ earning them the classification of desert. Desert plants must undergo many adaptations in order to survive the unusually dry conditions that are associated with a desert. There is a long list of adaptations‚ but some of the most common are the reduction of leaves‚ development of the stem as a major photosynthetic
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rodents. LMA is a simple performed measurement of behavior to detect the effects of drugs‚ genetic manipulation‚ etc.‚ on motor function by measuring horizontal‚ vertical and stereotyped behavior in rodents. Several measures of locomotor activity in rats‚ including the distance covered‚ movement time and speed of progression. This test is sensitive to hippocampal and basal ganglia damage‚ as well as to hind limb dysfunction (Brudzynski and Krol‚ 1997). This test will be assessed in an illuminated
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What effect will the calcitonin injections have on the calcitonin-treated rat’s vertebral bone density? Your answer : a. The calcitonin injections will increase the rat’s vertebral bone density (indicated by a less-negative T score). Experiment Data: Rat Elapsed Days Saline injections Estrogen injections Control Estrogen Calcitonin 7 7 7 7 0 0 0 7 0 11/26/14 page 2 Calcitonin injections 0 0 7 T score -2.82 -1.67 -2.29 Post-lab Quiz Results You scored 50% by answering 2 out of 4 questions
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