"Bio 156 lab report" Essays and Research Papers

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    Bio Report

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    Title: Investigation of the Enzymatic Effects of Materials on Hydrogen Peroxide Solution Objective: To investigate the enzymatic effect of various materials in the hydrogen peroxide solution Apparatus and Equipment: Beaker‚ Boiling tubes‚ Water bath‚ Pen knife‚ Glass rod‚ Parafilm. Materials: Fresh liver‚ Potato cubes‚ Manganese dioxide‚ Hydrogen peroxide‚ Wood splints Procedures: 1. Six fresh empty boiling tubes 1‚ 2‚ 3‚ 4‚ 5‚ 6 were labeled. 2. The liver provided was cut into

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    Sarah's Bio Lab

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    IB Bio HL Sarah Maybury Sex and the Single Guppy – a investigation Research Question: How does the colour of a guppy affect the population size with 30 acra and 30 rivulus as predators over 8 generations of oberservation? Independent Variable: The colour of the guppy and the concentration of that colour in the river. Dependent Variable: The population of guppies left after 8 generations of being in the specific

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    Bio Lab Chap

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    2 September 2014 Chapter 1 Review 1. Describe the characteristics of science. A. The characteristics of science are observations‚ search for regularities‚ process the information‚ and self-corrections. Science is based upon observations that incorporate our senses‚ or instruments that extend our senses‚ to interpret natural experiences. Science is a searh for regularities. These regularities may include observed phenomena or patterns in nature. After observations have been recorded about regularities

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    Bio Spectroscopy Lab

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    Introduction: This investigation used spectroscopy to evaluate light absorption in different solutions. A spectrophotometer was used in the lab to determine these values. A spectrophotometer is an apparatus used to “measure the absorption of radiation in the visible and UV regions of the spectrum and allows precise at a particular wave length” (Jones et al.‚ 2007). The amount of light absorbed by a substance is directly in relation to the concentration of the solute and also the wavelength moving

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    Bio Lab Manuel

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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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    BIO WATER LAB

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    Station #1: Water and Ice Station Observations on a frozen and a normal can of soda being placed in a pool of water: The normal can of soda Is alright The frozen can of soda Is compressed Observations on Ice cubes being poured in ethanol: Ice cube in ethanol The ice cube floated Ice cube in water The ice cube sank Station #2 Cohesive properties of Water Observations on waters cohesive properties using a paper clip and a coin: Paper clip The paper clip stayed on top for a few

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    BIO DNA LAB

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    DNA Lab Report SungYong Jang What is DNA? What do the letters stand for? What is it composed of? Where is it found? What is it shaped like? Answer in full sentences. It is the genetic material that can be passed on from parent to offspring  DNA --> Deoxyribonucleic acid It composed of Deoxyribose (5 carbon sugar)‚ a phosphate and a Nitrogonous base (the 4 N-bases are Guanine‚ Cytosine‚ Adenine and Thymine) It is a double helix (looks like

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    Bio Lab 1

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    Lab 1 : Scientific Method 20 Table 2: Water quality vs. fish population 1. Based on the information in Table 2‚ (in the lab manual) what patterns do you observe? 2. Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water. 3. What would your experimental approach be to test this hypothesis? 4. What are the independent and dependent variables? 5. What would be your control? 6. What type of graph would

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    Cell Bio Lab

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    Cell Biology Lab - Homework 1 Due to the week of Oct. 6-10th This is NOT a lab group project. Do the work individually. You may use any source other than your fellow students. Show your work‚ use your own words and cite all references. 1. (20 points) The HeLa S3 cancer cell line is considered to be “continuous” due to acquired mutations that enable the cells to evade senescence. This property is one of several hallmark characteristics of cancer cell lines. Describe three hallmark characteristics

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    Bio Lab Report Title: Gram-Negative and Gram-Positive contamination in yogurt. Introduction: There is bacteria that is beneficial and harmful in the human. Yogurt was choosed to be the best example that contains this bacteria. What happens to be the difference between these two types of bacteria‚ and how are they harmful? The bacteria is considered “Gram-Negative‚” and the substance is considered contaminated when there is more negative bacteria than positive bacteria. This will prove or disapprove

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