If the type of active ingredient in found in antihistamine type medications relates to the heart rate of a Daphnia magna (water flea) through its respiration‚ then Benadryl will significantly reduce the heart rate of the Daphnia after 2 minutes compared to Zyrtec and Claritin‚ whose ingredients will cause an increase in heart rate after 2 minutes. Benadryl is a first-generation antihistamine that contains diphenhydramine as the active ingredient‚ Zyrtec is a second-generation antihistamine that
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and is found in weight-loss drugs and as a stimulant in normal people in everyday to keep them alert in lessons. A favourable drink is Red Bull. Caffeine is a drug that stimulates the body and causes increased amounts of stimulatory neurotransmitters to be released. At high levels of caffeine consumption it can and has been
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was obtained from the refrigerator. The micropipette with a blue tip was used to transfer 1 ml of solution to the container. Final concentration of the holding water was calculated of the neurotransmitter. The animal was allowed to sit with the foil cover on for 5 minutes so that the neurotransmitter can equilibrate between the holding water and the animal’s hemolymph. The trace was started
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2: Source of caffeine from the extraction of coffee beans Image source: http://www.sciencedaily.com/releases/2009/01/090113203901.htm Caffeine is considered as a drug that stimulates the body and causes an increased amount of stimulatory neurotransmitter to be released. This temporarily reduces the sensation of being tired throughout the day and increases alertness. At high level of caffeine consumption‚ it can and has been linked to restlessness‚ anxiety and insomnia which can cause raised stress
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SOME BASIC TIPS ON HOW TO WRITE A LAB REPORT Just searching on line will give you hundreds of examples so I just want to keep this really simple and basic and if you want to or need more explanation‚ just search the specific heading like “ How to write a conclusion on a lab report” and you will get more info than you ever wanted! Title Page • The title of the experiment. • Your name. • The name of the class. • The date the lab was performed or the date the report was submitted
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Medical Explorers is a program that will give me the ability to learn from a more hands on experience in learning about the medical field. I have many goal in life that I wish to accomplish through my life. Some of my personal goal are to graduate high school‚ graduate from college‚ and one day get married and raise a family of my own. Some of my career goals are to finish college with my PHD in psychology and my masters in forensic science. With my degree‚ I would like to work in the court system
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INTRODUCTION: * Daphnia Daphnia are small‚ planktonic crustaceans‚ between 0.2 and 5 mm in length. Daphnia are members of the order Cladocera‚ and are one of the several small aquatic crustaceans commonly called water fleas because of their saltatory swimming style (although fleas are insects and thus only very distantly related). They live in various aquatic environments ranging from acidic swamps to freshwater lakes‚ ponds‚ streams and rivers.In the water flea Daphnia‚ the single‚
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The effects of caffeine on the heart rates of Daphnia. Introduction In the water flea‚ Daphnia‚ the single‚ small heart is easily visible when viewed under a low power microscope. The heart rate can be monitored and measured in different conditions‚ such as change in water temperature‚ or in this case‚ the concentration of chemicals added to the water they habitat. A change in daphnia heart rate under the influence of a concentration of caffeine solution creates a procedure providing an interesting
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to hold the Daphnia as we continued with the experiment. Before being able to get the Daphnia onto the slides we had to draw them up with two pipettes. A stopwatch was then used to determine the control‚ as well as variable ’s heart rates. Lastly‚ let ’s not forget the star of the show‚ the Daphnia itself. Without these little critters the whole experiment would be a bust. To obtain the control of this experiment we prepared a slide with a single drop of water and a single Daphnia. We then counted
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its own benefits. Furthermore‚ if one were to place an organism such as Daphnia in a tank with Duckweed‚ then the duckweed would remove any toxins present in the water and provide a food source to the organism‚ thus sustaining the life of that organism. Materials: Method:
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