Viroids are plant pathogens that consist of a short stretch (a few hundred nucleobases) of highly complementary‚ circular‚ single-stranded RNA without the protein coat that is typical for viruses.[1] The smallest discovered is a 220 nucleobase scRNA (small cytoplasmic RNA) associated with the rice yellow mottle sobemovirus (RYMV).[2] In comparison‚ the genome of the smallest known viruses capable of causing an infection by themselves are around 2kilobases in size. The human pathogen hepatitis D is
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Seeta Fernandes Professor Giordano ENC 1101 21 January 2012 How to Plant Rice. Do you know what rice is only when it’s on your plate? Rice is eaten worldwide in all forms and styles‚ but do people really know where this rice came from or all the hard labor put into producing this amazing source of food? When it is covered by a brown hull‚ rice is called paddy; rice fields are also called rice paddies‚ or paddy fields. When planting rice‚ these are some important steps
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Case 10: Plant Nutrients Inc. Plant Nutrients Inc. (PNI) is a medium-size retailer of crop supplies in Lancaster‚ Pennsylvania. Brian Dunwoodie‚ the general manager‚ is preparing a proposed operating statement for 1999‚ to send to management at PNI’s parent company. This statement must reflect an increase in volume of two percent while maintaining the required 13 percent return on investment in the business. He is considering a number of ways of improving performance including: achieving better
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A STUDY ON THE EFFECT OF THE PRESENCE OF LAUNDRY WATER ON THE GROWTH OF Capsicum annum (CHILI PLANTS) TABLE OF CONTENTS Chapter 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A. Background of the Study . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 B. Statement of the Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 C. Hypothesis . . . . . . .
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was caused by a weak structure of the plant it self and poorly qualified operators of the plant. This melt down was the worst in history. Another example would be the melt down of Three Mile Island in the United States; The Three Mile Island accident was a partial nuclear meltdown which occurred at the Three Mile Island power plant in Dauphin County‚ Pennsylvania‚ United States on March 28‚ 1979. It was the worst accident in U.S. commercial nuclear power plant history and resulted in the release of
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Wisconsin Glaciation Effects on Minnesota A glacier is a large piece of ice on land‚ normally formed over time. A glacier forms when snow falls and compresses together to form the large mass of ice over time. The glaciers can move because of gravity‚ and the smoothness of the glacier. Glaciers were present in Minnesota thousands of years ago‚ and as they retreated they left behind large amounts of glacier meltwater and various landforms still present today.Glaciers are both constructive and
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High School Department General Science How Does Phosphate Affect the Growth of Aquatic Plants? (A Problem Proposal) I. Introduction Aquatic plants are an important component of lake systems. These plants may be totally submerged beneath the lake surface‚ floating‚ or growing along the shoreline. They provide food and shelter for bugs‚ fish and other organisms‚ prevent shoreline erosion‚ filter pollutants from adjacent shoreline activities‚ and
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invasive plant removal in front of Haggett Hall/McCarty Hall. Our duty was to plant some helping plants that can help maintain the environment‚ such as Sword ferns and Wall lettuce. There were also other tasks available including implanting signs and trash-picking-ups. Yet‚ I found removing invasive plant more appealing to me and thus that became my primary duty of the day. Invasive plants are defined as nonnative plants that are carried into the country either intentionally or not. Invasive plants are
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Contents * Introduction of Pot Marigold/s * Scientific Name * Climate * Mode of Reproduction * Varieties * Benefits to Human and Ecosystem * By Products * Facts Introduction of Pot Marigold Pot Marigold is a plant in the genus Calendula of the family Asteraceae. It is probably native to southern Europe‚ though its long history of cultivation makes its precise origin unknown‚ and it may possibly be of garden origin. It is also widely naturalised further north
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Plants and humans are perhaps the most important organisms‚ however‚ us humans‚ have caused the death of thousands of plants by starting fires and by cutting down trees for things such as paper and furniture. Plants make oxygen which is very important for our survival; we can’t live without it. In the year 2003 alone‚ 774500 acres of land‚ that contained not only threes but animals too‚ were burned in California (Jane Strong‚ 2003). Some of this land was burned due to natural fires but some of it
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