Introduction: The question investigated in this lab was which drugs have the greatest and least affect on the pulse of the Lumbriculus variegates. Ethanol will cause the worms to become inactive‚ caffeine will cause the worms to become overactive‚ and nicotine will cause the worms to become more active. Lumbriculus variegatus is also known as black worm. This small species of worms currently lives in North America and Europe within marshes and ponds. They survive by eating microorganisms and organic
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Lab Report: Enzyme Lab Your Name: Samantha Butcher Purpose of this Lab What is the goal of this lab? What question is it trying to answer‚ or what problem is it trying to explain? It is going to explain how a liver’s enzymes break down substances that could be harmful.| Hypothesis After reading the lab instructions - but before starting the lab - record your best “educated guess” about what will happen in the experiment. Give your reasons and outline any assumptions that lead
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Food and Nutrition Exam Study Guide Kitchen Safety: * Do not defrost any meats on counter * Unplug any appliances that are not in use * Only use oven mittens to remove items from the oven * Burns should be treated with butter * When removing a pot lit‚ tilt the cover away from you * Keep fingers out of the way when using knives * Cut with blade facing away from your body * Sharp knives are safer; you’ll use less pressure when cutting * To get rid of grease
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Exercise 1: Correct Use of the Scientific Method and an Experiment with Macromolecules I. Objectives In this lab‚ students will: a.) Learn how to utilize the Scientific Method to develop a testable hypothesis b.) Generate an effective experimental design from a hypothesis c.) Understand the chemical differences between different macromolecules and how these differences can be used to design tests for each molecule. d.) Identify macromolecules in solutions using chemical analyses. e.) Practice
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Enzyme Activity Lab Hypothesis: 1] Are enzymes reusable? Yes‚ enzymes are reusable. 2] Which of the following do you think contain catalase? [Manganese dioxide‚ chicken meat‚ apple‚ carrot‚ potato‚ or chicken liver] I think that the manganese dioxide‚ apple‚ and carrot contain the catalase. 3] Would grinding the materials affect enzyme activity? I think that grinding the materials will increase enzyme activity. 4] Would temperature affect enzyme activity? I think that
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BioScience 100A Online Virtual Lab Report: Part 2 Due by: 11:59 PM PST on the final Saturday of class Updated 9/10/11 Directions: 1. Type your answers‚ observations‚ and results in bold. 2. Save your report often as you fill it out‚ so as not to lose information. 3. Use the report form as a single document‚ do not turn in separate reports for each lab 4. Use the ‘Save As’ option to save your file as a Word 97 .doc file 5. Save your lab report with this name: Last name
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Biology P.6 21‚ Sept. 2011 Milk Lab Final This investigation consists of testing the reaction between milk‚ food coloring‚ and dishwashing soap. Different kinds of milk were tested‚ depending on the amount of milk fat content. The investigation was based on 2 questions. Lab one’s problem statement‚ using only milk fat and food coloring was: How does food coloring react in different kinds of milk fat? The second lab’s problem statement‚ using milk fat‚ food coloring‚ and dishwashing soap was:
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Introduction The purpose of this lab was to identify unknown bacteria cultures using various differential tests‚ and my unknown bacteria is #17. The identification of these unknown cultures was accomplished by separating and differentiating possible bacteria based on specific biochemical characteristics. Whether the tests performed identified specific enzymatic reactions or metabolic pathways‚ each was used in a way to help recognize those specifics and identify the unknown cultures. The differential
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Healthy food vs. Fast food Many years ago‚ people ate food that do not contains‚ preservatives; moreover‚ people used to spend a lot of time cooking their own food. Therefore those people did not have problems by the food that they ate‚ because all the food that they ate was natural and healthy. However‚ nowadays many people‚ particularly young people prefer to eat fast food such as hamburger‚ pizza or fried chicken. As we can see there are two kind of food: healthy food and fast food. One way to
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Derek Tyler Hannah Fast Food and the Effect it has On Our Health The fast food industry has severely changed over the years‚ how these restaurants started‚ what are the health factors‚ and what has caused them to have such great success I. Fast food is introduced A. What brought about the idea of a fast food restaurant B. How quickly they flourished C. Advertising Methods II. Health factors A. Disadvantages B. Advantages III. Major chains A. How they began B. What makes them so successful
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