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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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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Conor Westerman LAB 7 1. List whether the student was positive or negative for each characteristic and include whether the characteristic is dominant or recessive. (6 points) a. Blood type A+ b. Widow’s peak yes‚ + c. Free ear lobes yes‚ + d. Tongue rolling yes‚ + e. Hitchhiker’s thumb yes‚ + f. Left thumb dominance yes‚ + g. Little finger bend No‚- h. PTC taster yes‚ + i. Mid-digit hair no‚ - j. Facial dimples yes‚ + k. Freckles no‚ - l. Cleft chin no‚ - (+)=dominant (-)=recessive 2. Can the student
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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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Lab 10: Cell Structure & Function Questions 1. For each structure identified‚ do you think its location affects its ability to function? Why or why not? (Hint: those buried deep in the cell probably do different things than those closer to the cell membrane) Structure does not affect function of the cells‚ cells have a particular structure that enables them to carry out their function in the best way. Everything in a cell is there to enable it to perform in the most efficient manner possible
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CHAPTER ONE The scope of demography David Lucas January 2002 Demography focuses on fertility (births)‚ mortality (deaths)‚ and migration (territorial movements). A glance at the Australian newspapers in December‚ 2001‚ found articles on‚ abortion‚ ageing‚ late childbearing and asylum seekers‚ all of which are of interest to demographers and to the general public. Some definitions of demography are given in Box 1.1. The term demography meaning ‘description of the people’ was first used by the
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1. Describe the function of the following pieces of safety equipment and how each might be used: a. Eye wash- To be used in the event of a chemical splash to the eyes. Should be used to flood the eyes for at least 15-30 minutes with water‚ flooding from the eye outward. b. Fire Blanket- To be used in the case of a small fire. Would be tossed onto flames to suffocate the flow of oxygen. c. Shower- Safety showers are designed to flood your body with water in the event of a fire or chemical spill
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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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The word ’Demography’ is a combination of two Greek words‚ ’Demos’ meaning people and ’Graphy’ meaning science. Thus demography is the science of people. In the middle of the nineteenth century in 1855‚ the word ’Demography’ was first used by a French writer‚ Achille Guillard. Even though‚ the term "Population Studies" is more popular‚ the word ’Demography’ is under wider use these days. It is considered an important subject capable of throwing light on the nature of population education. Since
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Demography‚ Scope‚ Perspectives and Theory J C Caldwell 1 November 2000 Demography: Scope‚ Perspectives and Theory John C. Caldwell Health Transition Centre National Centre for Epidemiology and Population Health Australian National University Canberra The term “demography” has been widely used in English-speaking countries only from the mid -twentieth century. Earlier‚ “population studies” or‚ revealingly‚ “population problems” had been the common usage. There is still an inclination to restrict
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