Every cell, prokaryotic or eukaryotic, is surrounded by a thin layer of outermost boundary called the plasma membrane or cell membrane or plasma – lemma. The plasma membrane is a discrete structure and…
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A structure containing a mass of cytoplasm surrounded by semi-permeable membrane called plasma membrane is called a cell. It encloses cytoplasm, many cell organelles along with nucleus or nuclear material. On the basis…
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The first two precepts of Cell Theory were enunciated near the middle of the 19th century, after many observations of plant and animal cells revealed common structural features (e.g., a nucleus, a wall…
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The subject of Physics is all about articulating things with real values and not memorizing them time and again. During the time of application, we may come across many concepts, problems and mathematical…
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It is easy to get a little confused when you are talking to an electrician or an engineer that has been called out to your home or office. This article contains definitions and…
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Biology is a subject of science that deals with living organisms and their vital processes. Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, marine biology, medicine, microbiology, molecular biology, physiology, and…
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Although humans are primarily land dwellers, the Earth’s surface is largely water. The world’s oceans make up 99% of the planet’s biosphere and contain the greatest diversity of life. Even the most biologically…
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The idea of a biologically diverse environment is easy to imagine in the middle of the tropical rain forest, where there are living organisms all around you, but what about the desert? A…
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The land mass of the crust is thin compared to the rest of the Earth’s layers. It makes up only about 1% of the earth’s total mass, but the continental crust can be…
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The geography structure of a country helps in understanding the types and character of rocks and slopes, the physical and chemical properties of a soil, the availability of minerals, and the surface and…
Read more As we make our way through the second decade of the twenty-first century, World is undergoing an extraordinary transformation. This is visible everywhere one looks. After centuries of relative decline, the world economy…
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Surprisingly, life is found in many hostile environments on this planet. Very hot temperatures (5,000°C) near volcanic spouts rising from the ocean floor, and polar, subzero temperatures (−84°C) are at the extreme ends…
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The word science comes from the Latin word Scientia which means knowledge. The science as a subject has come to mean the systematic, consistent and excellent study of the physical word including everything…
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Native peoples, completely dependent on nature for everything in their lives, worshipped Earth as a nurturing mother. The soil sprouted plants and trees that provided food, clothing, and shelter. The rivers and seas…
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Questions are a man’s best friend. There are different types of questions everywhere in this world. Each type of question has its own importance and they give various information to us. When you…
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Environment is derived from the French word Environner which means to encircle or surround. All the biological and non-biological things surrounding an organism are thus included in environment. Also Read: Important Environment Calendar…
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Welcome to the Eduhyme.com. Here, all knowledge-seekers can access a huge practice test questions of chemistry related questions that have been answered in a concise, informative, and straightforward manner. 1. Which is not…
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There are a number of chemicals in the environment. Some of them are toxic while the rest are non-toxic. The toxic chemicals are discharged by the industries into air, water and soil. They…
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Environment belongs to all and is important to all. Whatever be the occupation or age of a person, he will be affected by environment and also he will affect the environment by his…
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The term ‘environment‘ is widely used and has a broad range of definitions, meanings and interpretations. In popular usage, for some people, the term ‘environment‘ means, simply, ‘nature‘: in other words, the natural…
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