Nervous System lab was designed to measure reaction times by using a variety of tests that affect the heart rate. These tests were the startle‚ stroop‚ Valsalva maneuver‚ diving reflex‚ and a test of our choice. The test our group chose to measure the heart rate in response to doing a trust fall to anticipate the stress right before the fall. To begin this lab we chose a participant‚ and then hooked their finger up to the pulse transducer sensor. Using the chart 5 program on the lab computer the participant’s
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AP-2 Lab 01 – Lab Report Name: Shamika C. Dent Section: AP 2 – 131 – Fall 2010 Laboratory Report: Exercise 1: The Endocrine System Purpose: What is the purpose of this exercise? Is there any safety concerns associated with this exercise? If so‚ list what they are and what precautions should be taken. 1. Identify the major endocrine glands and other organs containing endocrine cells on models and diagrams (glands listed below). 2. Identify the major endocrine glands in the cat (glands
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[pic] LAB REPORT: MBB 2053 ME THERMODYNAMICS II EXPERIMENT: STEAM PLANT (BOILER) GROUP MEMBERS: LAB SESSION: THURSDAY 25 FEB 2010‚ 0800-1000 hrs REPORT SUBMISSION: MONDAY 8 MAC 2010 GROUP 15 1.0 OBJECTIVE The objective of this experiment is to give an experience on the principle of operation of an actual steam power plant. 2.0 INSTRUMENTATION 1. Ten point Digital temperature indicator 2. Pressure gauges 3. Analogue tachometer 4. Dynamometer with voltmeter
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The lab required pressing two toothpicks against the skin simultaneously. It was difficult to press down both toothpicks at the same time and this skewed the results. When the toothpicks weren’t pressed down at the same time‚ it felt like one point‚ then another
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African Diaspora and the World After reading the short story “Diaspora” by Joanne Hyppolite‚ I got a vivid understanding of how diaspora can have an effect on one’s identity. Over the past month we have studied many theories and concepts concerning race‚ gender‚ and politics. There are three theories that capture the essence of Joanne Hyppolite’s worldview as a Haitian growing up in America: intersectionality‚ identity‚ and diaspora. Individuals oftentimes experience the theory of Intersectionality
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passage‚ the glands like salivary glands‚ gastric glands‚ pancreatic‚ intestinal glands and liver. Also‚ the four layers of the digestive system are mucosa‚ submucosa‚ muscularis and serosa. The digestive system is regulated both by the Autonomic system and the Enteric nervous system. The major functions of the Digestive system are; passage and breakdown of food‚ destruction of ingested bacteria‚ viruses and toxins‚ Absorption of nutrients‚ Elimination of
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1. INTRODUCTION TO ELECTROENCEPHALOGRAPH (EEG) Hans Berger in 1929 was the first person to measure the electroencephalogram measured in humans. Electrical impulses generated by nerve firings in the brain can be measured by electrodes placed on the scalp. The EEG gives a view of neural activity and is used to non-invasively study the physiology of the human brain.EEG activity is a small signal‚ measured in micro volts with the main frequencies of interest up to approximately 30 Hertz (Hz) [1‚2].
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biology.ualberta.ca Moving on to the digestive system‚ one can see that it is specialized for what a cephalopod eats. Initially there are jaws for crushing and biting that lead into an esophagus and then a stomach. There is also an ink gland and digestive gland that aid in defense and digestion of food. Image taken from biology.ualberta.ca. From the image of different Mollusca shells‚ it can be seen that there is a wide variety of shells in the phylum. Seeing as how there are many different
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volume. This results in a single nucleus having many copies of a single chromosome (Painter & Reindorp‚ 1940). In this experiment‚ Drosophila melanogaster is reared in specific conditions and its salivary gland extracted to study endomitosis. I hypothesize that I will see endomitosis in the salivary gland chromosome of third instar larval D. melanogaster. My prediction to test my hypothesis is that polytene chromosomes will be formed if endomitosis occurs. Materials
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1. Why are spindle fibers important for mitosis? (5 points) Spindle fibers work as a path for chromosomes to travel(Campbell‚ 2009). 2. State the four bases that make up DNA. (4 points) a. (A)-Adenine b. (G)-Guanine c. (T)-Thymine d. (C)-Cytosine (Campbell‚ 2009). 3. What are the two base pairs? (2 points) a. AG b. CT 4. Answer the following questions: a. Define the term crossing over. (3 points) The phase in meiosis where chromosomes exchange segments of genetic materials (Campbell‚ 2009). b. Explain
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