Meiosis is extremely critical because its job is to check that all species produced by sexual reproduction include the right number of chromosomes we should have. This activity decreases the number of chromosomes in half‚ permitting the sexual reproduction process to prevail. Because meiosis produces cells that eventually becomes reproductive cells‚ this division in chromosome number is critical to the cell cycle. Without this process‚ the combination of two gametes during fertilization would result
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Shayne Laidler Barnes What would happen if marijuana were legalized tomorrow? As the New Year comes so do new laws‚ especially those that have to do with medical and recreational use of marijuana in the United States. As our social and political landscapes are rapidly changing more and more states are passing pro-medicinal marijuana legislation. Currently there are 17 states that approved of pro-marijuana ballot initiatives‚ but not all of them have officially approved cannabis for medical use
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Photosynthesis (happens in chloroplasts in mesophyll cells) 1. Light dependent stage Happens in the grana of chloroplasts Light (energy) gets trapped by chlorophyll pigments (light energy converted to chemical energy) This energy used to turn ADP and Pi into ATP Energy used to split water (H2O) into Hydrogen and Oxygen The hydrogen ions get collected by NADP‚ which becomes NADPH The Oxygen is waste‚ and leaves! So‚ in this stage‚ water comes in. ATP and NAPDH come out‚ as does Oxygen.
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What happens in diabetes? Lack of insulin or a resistance to insulin is known to have major metabolic effects. Food powers our bodies. When we eat food‚ most digestable carbohydrates are converted into glucose and rapidly absorbed into the bloodstream. We use this glucose for energy. However these carbohydrates cannot be utilized effectively and excess glucose cannot be stored in the liver. The glucose level in the blood increases but the cells of the body will be lacking of glucose and energy.
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What Happens Next Caitlyn Smith I woke up early one day. The cave was dark and I could not see. I went outside to see if I could find mother‚ but she was nowhere to be found; I guess she went off somewhere without telling me. I’m looking around after just waking up and I see this creature. I don’t know what to do. He comes closer‚ what am I supposed to do? I saw him running towards me and I started getting scared. He grabbed a stick and threw it towards me as if to warn me that he was
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Meiosis I Prophase I: - nuclear membrane dissolves * centrioles move to poles * spindle fibres forming * DNA has been replicated and forms chromosomes made of 2 identical chromatids * Homologous chromosomes line up to form a bivalent‚ 2 chromosomes or 4 chromatids (TETRAD)‚ this process is called SYNAPSIS * Where chromatids overlap is called a CHIASMATA‚ and it allows for CROSSING OVER of genetic information between chromosomes Metaphase I: - homologous chromosomes
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D’Juan McPherson May 5‚ 2011 BIO 100 CheckPoint: Mitosis and Meiosis Mitosis and meiosis are both important to a living organism because they represent cell divisions that are very important to every living organism because without cell division all living organisms would fail to reproduce‚ eventually dying out. Cell division plays a very important role in the life cycle of a cell. Mitosis and meiosis are important to living organism because they help living organisms to grow‚ develop‚ and
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Lab4 For this lab‚ you will edit this lecture on the history of programming languages. Don’t worry‚ you are not going to be tested on this lecture‚ and the homework assignment at the end of the document does not apply to you. You only have to format this file by following the instructions listed in lab. ---------------------------------------------------------------------- History of Programming Languages Brian McNamara Today’s lecture will be a quick history of programming languages
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Bio-111 Laboratory #8 Mitosis and Meiosis 17 November 2010 Part1-Questions: a) Explain mitosis Mitosis is a process of asexual reproduction in eukaryotic cells. This process is divided into five stages: prophase‚ metaphase‚ anaphase‚ telophase and cytokinesis. A diploid cell duplicates its genetic information. Therefore the two diploid daughter cells will receive an exact copy of the genetic material. Explain meiosis Meiosis is a two round cell division process where a diploid cell divides
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Meiosis Worksheet On the lines provided‚ order the different stages of meiosis I THROUGH meiosis II‚ including interphase in the proper sequence. 1. 4th metaphase I homologous chromosome line up in the center of the cell 2.5th anaphase I spindle fibers pull homologous pairs to ends of the cell 3. 9th Telophase II 4 haploid (N) daughter cells form 4. 1st interphase cells undergo a round of DNA replication 5.7th anaphase II sister chromatids separate from each other 6. 6th Telophase I 2 haploid
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