Brain of the Cell The nucleus is literally a membrane-bound organelle and is surrounded by a double membrane. I feel that the nucleus is of the greatest importance in the cell because it is the control center that oversees the metabolic functioning of the cell and it directs all the cells activities. The nucleus is like the head of the cell and without a head the rest of the body is useless. It is the largest organelle and within the nucleus is the DNA responsible for providing the cell with its unique
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vesicular nucleus‚ at interphase 2. Undergoing APOPTOSISnotice blebbing 3. Intermediate condensed nucleus 4. Less condensed nucleus 5. Anaphase 6. MOST CONDENSED Condensed/Hyperchromatic Nuclei: heterochromatin predominates low metabolic rate‚ low activity‚ http://studydroid.com/printerFriendlyViewPack.php?packId=62003 http://www.wadsworth.org/chemheme/heme/microscope/lymphocytes.htm Vesicular Nuclei: euchromatin predominates; indicates high metabolic rate/active cell [DNA is extended
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Question: How does mitosis produce new cells‚ and how is mitosis the same and different? Materials: - Compound microscope - Alliums root slide - Whitefish embryo slide - Power supply Procedure: Refer to page 48 and 49 in the textbook. Results: See attached sheet for drawings of my results. Discussion: Analyze and interpret question 1 and 2 on page 49. 1. The cells in the root tip region of the alliums differ quite a bit from the cells that are found deeper in the root. First
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What Is So Important About Cells? Cells are the most basic building block of all life as we know it. But what makes cells extremely important to living organisms‚ and why do we need cells anyway? A cell is “a usually microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane and‚ in plants‚ a cell wall; the basic structural unit of all organisms.” But what makes cells extremely important to living organisms‚ and why do we need cells anyway? Cells are made
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Why is History so important? My mom always told me “History means past‚ present‚ and future. History is part of your life‚ the meaning of your present and the plans for your future. So never forget your past in order to not lose your future.” To be honest I always thought my mom was talking about my ancestors and my entire family tree. You know when you want to know the family diseases that can be hereditary you look at your family tree; you do the same to know all the possibilities for an offspring
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a tornado. I am such a naughty boy so I am unaware of that and I have decided to go in the fields‚ far far away from my hometown. I started my adventure with my dog‚Blaster.He is a cute little dog shepherd‚about 10 years old.He has a cute face‚brown fluffy cheeks and fast‚strong legs.When we reached the fields‚we played and ran.Suddenly I heard something so I turned my head and saw a huge‚tremendous tornado.It was an unusual and weird tornado because it was so big.I was frightened that I started
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June 7‚ 2013 is important reading Reading is a complex cognitive process of decoding symbols in order to construct or derive meaning (reading comprehension). It is a means of language acquisition‚ of communication‚ and of sharing information and ideas. Like all language‚ it is a complex interaction between the text and the reader which is shaped by the reader’s prior knowledge‚ experiences‚ attitude‚ and language community
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ufeffCuauhtémoc León Cortés Why language study is necessary for English teachers? One of the most important characteristics of the human kind is the ability to communicate. This process can be oral‚ written or through body gestures. This process of communicating amongst each individual is called Language. Because through language‚ humanity is able to express its ideas‚ feelings‚ sensations‚ beliefs‚ etc. for a developed society in order to advance‚ it is necessary that each member of that culture
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Why are Tropical Rainforests so Important? Tropical rainforests occupy only 7.5% of the worlds surface and is 1.2 billion hectares‚ yet over half of all plants and animal species live or grow here. The largest rainforest in the world is Amazon which is 600 million hectares and covers nine nations- Brazil‚ Bolivia‚ Peru‚ Guiana‚ Ecuador‚ Colombia‚ Venezuela‚ Guyana and Suriname. Tropical rainforests are home to many rare plant and animals‚ they contain 80% of all insects and 90% of all primates
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Why Is Childhood Important? Written by Evan Bailyn on 06/20 at 11:43 AM “Our existence is but a brief crack of light between two eternities of darkness.” We know nothing of what happened before our birth‚ and we certainly know nothing of what will happen after we die. Movies‚ slide shows‚ and accounts of what life was like in other times are all fascinating to contemplate‚ but we cannot ever truly know what it is like to exist outside of our lifespan. The only period of time over which we have
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