the autotrophic green plants. Fungi have chitinous cell wall while the green plants have cellulosic cell wall. Five Kingdom Classification - It is proposed by R.H. Whittaker (1969). - It includes Monera‚ Protista‚ Fungi‚ Plantae & Animalia. - This classification is based on cell structure‚ thallus organisation‚ mode of nutrition‚ reproduction and phylogenetic relationships. Characteristics of the five kingdoms Characters Monera Cell type Prokaryotic Non-cellular Cell wall (polysaccharide
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chemist Dr. Gerhard Schrader was given a task to develop a pesticide. In just two years tabun was born‚ it had extremely high toxicity and was the first of the substances later referred to as nerve agents. A factory was built and produced during the years of 1942-1945 12‚000 tons of the chemical warfare agent tabun was made; in which the allies took large quantities of tabun at the end of the war. Even though Hitler and his army were losing the war‚ Schrader and his co-workers synthesized about 2‚000
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Groundwater and Surface water Pollution Surface waters are the natural resources of the Earth‚ which are found on the exteriors of the land. Ground water is water that comes from the ground‚ which comes from rain‚ snow and sleet. These types of waters can become polluted in a numbers of ways and come from a number of varied sources. All types of water pollution are harmful to the health of humans and animals. It may not affect or damage our health immediately but can be harmful after long term
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TABLE OF CONTENTS Page 1. Introduction 2 2. Disintermediation and re-intermediation of the travel agents 3 3. Travel agencies responses to a challenging market 6 4. Conclusion 8 5. References 9 1. INTRODUCTION Nowadays‚ the travel distribution channel is very complex and characterized by the presence of many different kind of intermediaries which operate in a very competitive market. Since the beginning of the travel industry
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Agents of Socialization: An agent of socialization is an individual or institution tasked with the replication of the Social Order. An agent of socialization is responsible for transferring the rules‚ expectations‚ norms‚ values‚ and folkways of a given social order. In advanced capitalist society‚ the principle agents of socialization include the family‚ the media‚ the school system‚ religious and spiritual institutions‚ and peer groups. Specific sites or groups carry out socialization. We call
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The Change Agent Program at Siemens Nixdorf Post-script – What actually happened? The following material is excerpted from the original article and provides some overview of the actual evaluation that took place. * In terms of “hard” financial results‚ SNI produced its first profitable year in 1994-95‚ the first year of the CCP. Until Siemens intervened‚ it remained mildly profitable‚ with reported sales of almost DM18bn and net income of DM500m in 1998. This performance was insufficient
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his biological parents as he was adopted. When he was 18 he joined the Marines and was shipped off to Vietnam. While there he was in charge of the men and controlled the radio. During the end of the war he was sprayed with a chemical called agent orange. Agent orange was used to kill trees so that the other group couldn’t hide in the trees. Unfortunately‚ my grandfather ended up getting sprayed which would
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Water pollution is the contamination of water bodies such as lakes‚ rivers‚ oceans and beaches. This occurs when large factories dump their waste products into the water. Water has the ability to carry many pathogens and bacteria. Because of this‚ water is responsible for many deaths and illnesses. This fact was discovered a long time ago when many people fell sick‚ and after tests‚ it was realized this was because of the drinking water. People‚ even back in the ancient times‚ would suddenly become ill
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Repercussions of Agent Orange in the Vietnam War Our modern society and technology revolves around many different chemical compounds. Advances in the chemical field of herbicides or pesticides‚ while being beneficial to our society‚ can come at a price. Without proper testing and research‚ harmful chemical compounds may be released into the environment unknowingly. Some compounds‚ even though thoroughly tested‚ may only exhibit malicious effects years after being introduced to the environment.
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monocytes‚ macrophages‚ natural killer (NK) and NK T cells. b. The Adaptive Immune System Mobilized by cues by cues from the innate the innate response‚ when response when innate processes are incapable are incapable of coping with an infection. This system eliminates pathogens by producing specific antibodies‚ which are effectors of humoral immunity; and the activation of T‐cells‚ ‐ which are effectors of cell‐mediated immunity. B. Abnormal Immune Responses INAPPROPRIATE responses can lead to tissue damage (e
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