Animal Diversity The number of animal varieties familiar to us is vast as the animal world is diverse. Each distinct variety or type of animals is recognized by scientist as a species. Animals of most species are free-living forms but of others are parasitic in bodies of other animals or even plants. According to their habitats animals are divided into the following types Aquatic animals :- They live in water . Animals living in sea water are called marine & those live in river‚ponds‚streams
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Done By: Francis Lolas Teacher: Christine Due Date: 19/9/2012 Grade: 10 MYP 5 A There are many possible solutions to the problem that we are facing nowadays that is Acid Rain. Acid rain is formed from two main gases that are released in the atmosphere which are sulphur oxide and nitrogen oxide. I will talk later about the solutions for acid rain and the effect of this rain and what are the two forms of acid deposition. I have also watched some videos about acid rain? I also should
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Submit Form 15G or 15H to avoid Tax Deducted at Source Delayed tax refunds can be frustrating. After all‚ what can be worse than waiting for your own money to come back to you? This is why financial advisers suggest planning one’s taxes well in advance and avoid overpayment. The start of the financial year is‚ perhaps‚ the best time to do so. Submit the Forms 15G or 15H right away to avoid the tax deducted at source (TDS) on your investments‚ if your income is below the exemption limit. From this
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GCSE Biology B General Certificate of Secondary Education Unit B731/02: Modules B1‚ B2‚ B3 (Higher Tier) Mark Scheme for June 2012 Oxford Cambridge and RSA Examinations OCR (Oxford Cambridge and RSA) is a leading UK awarding body‚ providing a wide range of qualifications to meet the needs of candidates of all ages and abilities. OCR qualifications include AS/A Levels‚ Diplomas‚ GCSEs‚ OCR Nationals‚ Functional Skills‚ Key Skills‚ Entry Level qualifications‚ NVQs and vocational qualifications
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Study Questions: Chapter 28 1.) Archaea and Bacteria are the oldest‚ structurally simplest and most abundant forms of life. 2.) Name and describe seven ways in which prokaryotes differ substantially from eukaryotes? Unicellularity- fundamentally single-celled Cell Size- can vary (large range changes with species) Nucleoid- lack a membrane-bound nucleus but rather a nucleoid region Cell Division/Genetic Recombination- binary fission (does not use spindle) and do not have a sexual cycle Internal
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23He‚ all the way right full shell only holds two electrons 5. What is an isotope? How are they used? Different number of neutrons‚ used in biological research (radioactive) 6. Describe the 4 main types of bonds. Put them in order from strongest to weakest. Covalent-electrons are shared between the atoms‚ can be polar or nonpolar depending on the difference in electronegativity Ionic- one atom takes an e- from another‚ form anions and cations Hydrogen- between H and O‚ N or F‚ because electronegativity
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then a higher concentration of albumin will lead to higher absorbance level. Results Table No. | Albumin(cm3) | KCl (mL) | Biuret Reagent (mL) | Absorbance | 1 | 0 | 5 | 3 | 0.049 | 2 | 1 | 4 | 3 | 0.112 | 3 | 2 | 3 | 3 | 0.258 | 4 | 4 | 1 | 3 | 0.39 | 5 | 5 | 0 | 3 | 0.418 | 6 | 5 (A) | 0 | 3 | 0.198 | 7 | 5 (B) | 0 | 3 | 0.347 | Table 1) Test Result Table 1 is the results of seven test tubes with a different amount of solutions. 3 mL of Biuret Reagent was added to all seven
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B io Factsheet September 2000 Number 76 The Eukaryotic cell cycle and Mitosis This Factsheet covers the relevant AS syllabus content of the major examining boards. By studying this factsheet the candidate will gain a knowledge and understanding of: • the different phases of the eukaryotic cell cycle (a eukaryotic cell has membrane bound organelles) • the importances of mitosis • the process of mitosis The eukaryotic cell cycle Fig 2. Quantity of DNA in the cell during different
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differential centrifugation to yield four subcellular fractions. The activity within each fraction‚ of four different types of enzyme‚ A‚ B‚ C and D‚ was investigated. Which bar chart shows the results of investigating hydrolytic enzyme activity? 5 Radioactively-labelled amino acids are introduced into a cell. In which cell structure will the radioactivity first become concentrated? 6 What is the function of nucleoli? A the formation and breakdown of the nuclear envelope B the
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Homework Title: Photosynthesis and Respiration 1) Define these terms and arrange them from smallest to largest: Ch 5 WIO #3 • Thylakoid membrane Answer: Thylakoid membrane is a compartment in a plant cell that has light pigment that carry out the photosynthesis process. • Chloroplast Answer: Chloroplast is a type of organelle found in plants and algae that carry our photosynthesis. • Reaction center Answer: Reaction center is where chlorophyll a molecule and other
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