SNC 2DO EXAM REVIEW January 2014 The exam is based on the entire semesters work. Chemistry 1. Label the following on a periodic table: a) Alkali metals b) Alkaline earth metals c) Halogens d) Noble gases 2. Indicate the metals‚ non-metals and metalloids. -38100431803. Show the trends for reactivity and atomic radius. 4. Which of the following elements has the largest atomic radius? Why? a) fluorine b) oxygen c) nitrogen d) calcium Calcium has the largest atomic radius
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plants. The plant life cycle is consisted of two parts: the gametophyte phase where it produces gametes by mitosis and the sporophyte phase which produces spores by meiosis 2. Contrast the life cycle of plants to that of animals: Typical life cycle: alteration of generation (plants)‚ diploid (animals) Resulting structure from meiosis: spores-plants‚ gametes-animals Occurrence of mitosis: gamete production-plants‚ zygote to individual-animals 3. Compare mosses and ferns by completing the following
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Plant Kingdom (Biology) | Close | | Study Material | | Division Algae Classification within Angiosperms * Artificial system of classification * Given by Linnaeus * Based on vegetative characters and androecium structures * Gave equal importance to vegetative and sexual characteristics * Natural system of classification * Based on morphology‚ anatomy‚ embryology‚ and phytochemistry * Given by George Bentham and Joseph Dalton Hooker * Phylogenetic
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morphological differences | Cocci | A micro-organism whose overall morphology is sphere | Plasmid | A circular molecule of DNA that is commonly found in bacteria | Gametophyte | A haploid plant in sporic reproduction that produces gametes by mitosis | Lichen | An organism that results from a mutualistic relationship between a fungus and photosynthetic plant or alga. | Biodiversity | The variety and abundance of organisms‚ genes and ecosystems found in a given area | Cell membrane | Semi-Permable
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AP Biology Mid-Term Study Guide 2015 Monitha Patel Chemical Bonding Compounds Sharing of a pair of valence electrons by two or more different atoms Molecule Two or more atoms held together by covalent bonds Ionic Electron attraction between two atoms Cations (+1) and Anions (-1) attract Covalent Sharing of valance electrons between atoms Nonpolar Electrons are shared equally O2 Polar Covalent Unequal sharing of electrons between atoms Two hydrogen atoms are bonded to a single oxygen
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interphase? * cell growth and duplication of the chromosomes The cell has a very narrow middle separating two bulging ends. It sort of looks like the number 8! Then you realize‚ this is a cell * Undergoing cytokinesis. During which phase of mitosis do the chromosomes line up on a plane located equidistant * Metaphase Which one of the following does not occur during mitotic anaphase? * The chromatid DNA replicates. Nucleotides * Contain nitrogenous bases. * Contain sugar
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G2 phase: Synthesis of cell machinery in prepara-tion for cell division. B. Mitosis (M) phase: The division of genetic material and cellular contents. The stages of mitosis 1. Prophase: Replicated chromosomes condense. Spindle forms along cell equator. Nuclear envelope breaks down; spindle microtubules en-ter nuclear region‚ eventually attaching to cen-tromeres of chromosomes
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Week 3 Mitosis and Meiosis Assignment William Scalia Grantham University Week 3 Mitosis and Meiosis Assignment A rare disease that is inherited is Tay-Sachs disease. What the disease does is it destroys nerve cells located in the Spinal cord and the brain. The most common type of Tay-Sachs appears in infants. The disease is present early in development but the symptoms usually don’t appear until after the age of 4. Symptoms appear as a slowing or halting of development to include
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structures in the cytoplasm of a cell that contains digestive enzymes to digest and destroy old cells‚ bacteria‚ and foreign matter. 14. Mitosis- The process of cell division that occurs in gametes‚ or sex cells/ ovum and spermatozoal *15. Mitochondria- Those structures in a cell that produce energy and are involved in the metabolism of the cell. 16. Mitosis- Process of asexual reproduction by which cells divide into two identical cells. 17. Muscle Tissue- Body tissue composed of fibers that produce
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Can you imaging everyone’s appearance is the combination of all his ancestors but not exactly the same? The video “Life’s Greatest Miracle” tells you why and how did that happen when you are just a single cell at the very beginning. The attractive video brings me to a physiological world. First‚ I am surprised by the amount of sperms that a man could produce. Thousands of them are made every second‚ a hundred million in a day‚ and trillions over a lifetime. This is an amazing ability and opportunity
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