Stephen White Biology Lab 11.1 Observations of the spicules of a sponge Supplies Microscope Prepared slide: Sponge Lab notebook Colored pencils Natural Sponges Hypothesis We will learn more in depth about sponges and the complexity of this animal Procedure Set up microscop as instructed in previous expiraments. Place the prepared slide under the microscope. Obeserve under low power and draw what you see in your notebook. This slide shows you the spicules‚ wich make
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Chemistry in everyday life : Our entire universe is made up of matter which is constantly changing forms and evolving into other forms of energy. Chemistry is defined as the study or science of this ever changing matter. The other sciences which we study commonly like biology‚ physics and mathematics are all dependent on chemistry and are known as specific studies under the elaborate subject of chemistry. Since there is chemistry seen in biological forms as well as physical states of nature‚ there
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and where they are located in the body. List the five types of pathogens from largest to smallest: • __________________________ • __________________________ • __________________________ • __________________________ • __________________________ 2. Which type of pathogen is always intracellular? ________________ Which type of pathogen is always extracellular? ________________ 3. Name the three main lines of defense and give an example of each: |Line of defense
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Instructor Biology 1111 4-5 Lab Topic 4: Microscopy Elodea Cells at ___X Elodea Cells at ___X Report Sheet—Lab Topic 4 1. Draw and label each of the organisms available. Cheek Cells at ___X Cheek Cells at ___X Name _______________________________ Date_____________ Instructor ___________________________ Section___________ _________________________ 4-6 Lab Topic 4: Microscopy 2. Fill in the following table: Compound Microscope Dissecting Microscope Types of Light Available Powers
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Maggie Mitchell IB Chemistry Prd. 5 THE HALOGENS LAB Date: 9/11/13 Purpose: The purpose of this experiment was to observe and record the halogens’ (NaF‚ NaCl‚ NaBr‚ and KI) reactions with the chemicals Ca(NO3)2‚ AgNO3‚ and NH4OH and use these observations to identify an unknown halogen. Data: (see next page) TABLE 1: REACTIONS OF HALOGENS WITH CA(NO3)2‚ AGNO3‚ AND NH4OH REACTION NAF NACL NABR KI REACTION W/ CA(NO3)2 solution turns cloudy and precipitate forms clear precipitate
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Table 1 Vinegar - 3 - 2.2 Sodium BiCarbonate Solution - 9 - 8.3 Lemon Juice - 4 - 2 Laundry Detergent - 8 - 8.2 Bleach - 12 - 12.0 Ammonia - 12 -
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CHM138 Lab 2 Measurements: Accuracy and Precision Name: Data Tables Place your completed data tables into your report here: Data Table 1 Measuring Instrument Decimal Known With Certainty Decimal Estimated Ruler Tenths Hundredths Thermometer Tenths Hundredths 10mL graduated cylinder Tenths Hundredths 50mL graduated cylinder Tenths Hundredths 100mL graduated cylinder Tenths Hundredths Data Table 2 Measurement Data Length of aluminum plastic packet 5.1cm Height of aluminum plastic packet 6
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Chemistry 11 Final Examination Review - Answers Part A - True or False. Indicate whether each of the following statements is true or false. Correct the false statements. F 1. The mass of an electron is equal to the mass of a proton. The mass of an electron is less than the mass of a proton. T 2. The mass of a proton is approximately equal to the mass of a neutron. T 3. The atomic number represents the number of protons in a nucleus. T 4. The proton has a mass of approximately
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Enzyme Lab 6 03/13/2013 Report by Mary Jo Anthony I. Introduction II. Materials and Methods III. Results IV. Conclusion and Discussion Introduction Background Information: This lab allowed us to study chemical reactions and how catalysts will affect the rate of these reactions. The reaction we studied is the breakdown of hydrogen peroxide to water and oxygen and it is vital to life. The molecule hydrogen peroxide is a molecule that is toxic
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This pack of COMM 102 Week 2 Discussion Question 2 comprises: When you write a paper using references‚ how do you keep track of what information you reference? Might there be a better way? What are some other important tips to share about writing an effective paper? Describe the strategies you use to organize your ideas before you write an academic paper‚ or a business memo‚ report‚ or proposal. Business - General Business COMM 102 Week 1 Individual Assignment Written Communication Exercises
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