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Nitrogen Cycle Diagram and Steps

What is Nitrogen Cycle? The Nitrogen Cycle is the process by which atmospheric nitrogen is converted to a form that is absorbable by plants. This occurs through free-living and symbiotic bacteria. The Nitrogen cycle process is necessary because getting atmospheric nitrogen into living organisms is difficult. Plants and phytoplankton are not equipped to incorporate nitrogen …

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Five (5) Oceans of the World |Oceans Information Facts | Importance of Oceans

What is an ocean? An ocean is the wide open mantle of water surrounding the continents. The oceans and seas cover 71% of the total earth surface which means that the dry land area only occupies the remaining 29% of the surface of the earth. Even though the decline of sea travel and diminishing dependence …

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Plain Landform, Definition, Types, Formation and Importance of Plains

Plains are certainly the most important and populous landforms because the world population lives on them. Some plains have fertile soils and they are extensively cultivated for agricultural purposes. One of the disadvantages of plains is that they are extensively vulnerable to flooding especially when they are located close to the sea or to a large river. …

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Phagocytosis Definition, Steps and Mechanism

Phagocytosis is the act of ingestion and digestion of microorganisms, insoluble particles, damaged or dead host cells, and cell debris by specific types of cells called phagocytes such as macrophages, neutrophils; Phagocytosis is a form of endocytosis. The word Phagocytosis is derived from the Greek word-Phagein which means to eat; and it involves the engulfment of …

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Lysosome Function, Structure and Diagram

Lysosome Definition A Lysosome is a small cytoplasmic membrane-bound vesicle found in many types of animal cells that contains hydrolytic enzymes, which play an important role in the degradation of material ingested by phagocytosis and endocytosis. The word Lysosome was derived from the Greek word lysis (loosening) and soma (body). The limiting membrane of lysosomes protects the remainder …

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Rainfall Meaning, Types, Intensity, Distribution, Data and Measurement of Rainfall

Rainfall Definition Rain is a form of precipitation and an element of climate that falls in liquid state, it is the amount of water that falls as rain on an area over a period of time, Other forms of precipitation include frost, dew, mist, haze, fog and snow. Different places on the earth surface receive …

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Mitochondria Functions, Location, Diagram and Structure

Mitochondria Definition The Mitochondrion (plural = mitochondria) is a membrane-bound cytoplasmic organelle concerned with the production of energy. It is a rod-shaped or oval-shaped structure with a diameter of 0.5 to 1. It is covered by a bilayered membrane. The outer membrane is smooth and encloses the contents. This membrane contains various enzymes such as …

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