Week 13 Review Biomes 1. What is a biome? a. Large area of similarly adapted species 2. How are plants similar and different in the biome of two different locations? a. Plant species vary but plant for is similar 3. How does latitude influence biomes? a. Above 60o N latitude Artic b. Below 60o N latitude 4. How does continental placement influence biomes? a. Coastal areas more moderate temp fluctuations b. Interior areas more extreme temp fluctuations c. Areas behind mountains
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Embryos Survive Stem Cell Harvest Pg. 2 Embryos Survive Stem Cell Harvest Pg. 2 Prevent skin cancer cause by the UV rays with the new Eucerin sun block cream protector Prevent skin cancer cause by the UV rays with the new Eucerin sun block cream protector November‚ 2012 issue November‚ 2012 issue The CELL-O Magazine by mariana carroll and esteban cruz The CELL-O Magazine by mariana carroll and esteban cruz Pg 4 How to prevent cancer? There are a lot of ways to
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Title : The movement of substances across a semi permeable membrane Objective : To study the movement of substances across a semi permeable membrane Problem statement : What factor influences the diffusion of substances through a semi permeable membrane? Hypothesis : The diffusion of molecules across a semi permeable membrane is based on the size of the molecule Variables: a) Manipulated : Size of solute molecules b) Responding : Colour of solution c) Fixed : Temperature and time
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Molecular formula from empirical formula 1) There is a whole number multiple of the empirical formula in the molecular formula MF – (EF) n Molar mass/ empirical formula mass = n EMPRICIAL FORMULA FROM COMBUSTION DATA 1) In a combustion reaction an organism sample is burned in the presence of oxygen and produces CO2 and H2O as main products. 2) A hydrocarbon is a molecule that contains only carbon and hydrogen 3) Combustion analysis of naphthalene‚ a hydrocarbon used in mothballs
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Cell Structure I. Cell History A. Anton Leewenhock (1600s) - first person to observe cells - in pond water‚ using a homemade microscope B. Robert Hooke (1665) - observed many kinds of animal tissue under a microscope - concludes that all animals are made up of cells C. Schwann (1868) - observed many kinds of animal tissue - concludes that all animals are made up of cells D. Schleiden (1869) - observed many kinds of plant tissue - concludes that all plants are made up of cells E. Cell
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Name: _______________________________________ Date: _________________ Per: _____________ Cells: The Basic Unit of Life Directions: Define the key terms and then complete the following Section Reviews after reading through Sections 5.1 through 5.3. You will complete your answers on a separate sheet of paper and then staple this worksheet on top. Vocabulary Words: Cells Cell Wall Prokaryote Chromosome Cell Theory Nucleus Nuclear Envelope Cytoplasm Cell Membrane Eukaryote
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Exercise 7.3 (training!!!) 1. Find the oxidation numbers of the underlined elements in the following species. (a) (e) (i) (m) (q) (u) (y) 2. SO3 PbSO4 CoCl42CrO42SO32Ca(NO3)2 Co(NH3)43+ VO2+ CaH2 KMnO4 SCl2 N2 NaOH (c) (g) (k) (o) (s) (w) HCO3[Al(OH)4]MnO42NO2FeCl3 KOCl (d) (h) (l) (p) (t) (x) H2S2O7 H2O2 Cr2O72K2SO4 CH4 Pt(CO)4 Which of the following equations represent redox reactions? Specify the species being reduced in each case if applicable. (a) (b) (c) (d) NaI(s) + 2K(s) + 2NH3(g)
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Amateur hobbyists are creating home-brew molecular-biology labs‚ but can they ferment a revolution? $195–$1‚000 $250–$2‚000 MICROCENTRIFUGE $60–$850 IMPROVISATION IS KEY To do molecular biology on the cheap‚ biohackers have developed some creative workarounds: • for a $10 microscope‚ pop the lens o a webcam and stick it back on backwards. • for an $80 centrifuge‚ order the DremelFuge rotor and attach to a Dremel rotary tool. • for a free 37 ºC incubator‚ incubate tubes of E. coli in
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2 Moderately Unfamiliar Assumptions About Al-Qaeda Introduction to Homeland Security Research Paper August 17‚ 2013 Mr. William R Di Lorio 2 moderately unfamiliar assumptions about al-Qaeda Abstract From intellectuals to policy-makers alike. All of the extraordinary output on the subject of al-Qaeda‚ has recently led to a number of far-reaching theories about the group which remain startlingly unexplored. The two assumptions‚ this paper examines and reveals each one ’s foundational
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Q1:Why is reproduction essential for organisms? Reproduction is a fundamental feature of all living organisms. It is a biological process through which living organisms produce offspring’s similar to them. Reproduction ensures the continuance of various species on the Earth. In the absence of reproduction‚ the species will not be able to exist for a long time and may soon get extinct. Q2:Which is a better mode of reproduction sexual or asexual? Why? Sexual reproduction is a better mode of reproduction
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