Xiaokun Chen Lora Harpster PSY 1010 01.29.2014 As the psychology is a subject of science‚ experiment is important part of this subject. Before designing an experiment‚ we have to design an experiment and we need to confirm the dependent variable and independent variable. For each of the following scenarios‚ identify the independent and the dependent variables and explain your choices. 1. Joan is collecting data on gender differences (male‚ female) in the ability to empathize. In this case
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cup of warm water‚ 1 packet of active dry yeast‚ a teaspoon of sugar‚ a teaspoon of salt and 2 tablespoons of olive oil. For baking‚ you will need a regular oven heated on 475° F‚ you will not be using your microwave for this. You’ll need a pizza stone to place pizza onto‚ and a pizza peel which is a very handy wooden shovel-like tool that helps you place pizza onto a heated stone in your oven and take it away when it’s done. Start off by adding dry yeast to a warm water. Now‚ tap water is fine
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Microbiology Lecture Notes: I.Cell1/27/14 1. Robert Hooke 2. Basic unit of structure and function in all living things. a. Unicellular à Microscopic b. Multicellular à Microscopic & Macroscopic c. 2 main cell groups: 1. Eukaryote = True Nucleus 2. Prokaryote= Bacteria (only) a. Karyo = nucleus‚ pro= pre‚ Eu= true 3. Components of a cell: a. Nucleus: brain of cell; has nuclear membrane/envelope 1. DNA à Chromosomes (Genes) à make protein à Macromolecule
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specimens and record your results. These were much easier to see‚ especially the plaque stain. I saw distinct chains of varying lengths made up of both cocci and bracillus cells. The messy matrix I noted earlier was no longer an issue. The cheek and yeast smear were also much cleaner. I saw the same shapes as before‚ just with sharper outlines. Questions: A. What are the advantages of using bleach as a disinfectant? The disadvantages? The advantages of using 70% alcohol? The disadvantages? 70%
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to be used in yeast? Starches: · All potable alcohol and most fermentation industrial alcohol is currently made principally from grains. · Fermentation of starch from grain is somewhat more complex than fermentation of sugars because starch must first be converted to sugar and then to ethanol. · Starch is converted enzymatically to glucose either by diastase presents in sprouting grain or by fungal amylase. · The resulting dextrose is fermented to ethanol with the aid of yeast producing CO2
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Stage 1 Biology Practical ( Completion ) The differences between red and white wines include the kinds of grapes used‚ the fermentation and aging process‚ and the character and flavor of the wine. White wines are almost always made from white grapes‚ although they can be made from black grapes‚ since the juice in most black grapes is clear. When white wine is made‚ the skins of the grapes are separated from the juice when they are put into a crushing machine. After filtering etc‚ the wine is aged
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dangerous‚ but it can cause disturbing symptoms. Any woman with an unusual discharge should be evaluated so that more serious infections such as Chlamydia and Gonorrhea‚ can be excluded from their diagnosis. Symptoms are also similar to that of vaginal yeast infections and trichomoniasis. A combination of multiple bacteria must be present together for the problem to develop. Bacterial vaginosis typically features a reduction in the number of the normal hydrogen peroxide-producing lactobacilli in the
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Abstract The effect of nature of substrates on the rate of cellular respiration in yeast was determined by using the Smith fermentation tube method. Mixtures of 15ml distilled H2O‚ 10% yeast suspension and 15ml of the following solutions (all at 10% concentration):1- starch‚ 2 – lactose‚ 3 – sucrose‚ 4 – glucose‚ 5 – fructose‚ 6 – distilled water ‚ were poured in six smith fermentation tubes. Cotton balls were plugged in the openings of the tubes and the tubes were kept upright and observed for
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Laboratory Report The Plasma Membrane I. Introduction The Plasma membrane is the edge of life‚ the boundary that separates the cell from its surroundings. It controls the traffic of materials in and out of the cell. (Reece‚ 2011). It is incredibly thin that is very vital in maintaining the integrity of the cell. Not only does the plasma membrane bind the other organelles‚ it also forms a dynamic structure which gives them their remarkable activity and selectivity. (Hickman‚ 2008). Diffusion
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PLANT CAN THROUGHT PHOTOSYNTHESE. THE GET THEIR FOOD BY ABSORBING NUTRIENTS FROM THEIR SURROUNDINGS. Kingdom Fungi includes mushrooms‚ rusts‚ smuts‚ puffballs‚ truffles‚ morels‚ molds‚ and yeasts‚ and thousands of other organisms and microorganisms. They range from microscopic single-celled organisms‚ such as yeast‚ to gigantic multicellular organisms. Many fungi play a crucial role in decomposition (breaking things down) and returning nutrients to the soil. They are also used in medicine‚ an example
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