A relatively small blood pressure gradient is generally insufficient to move blood through the veins under given conditions, thus venous return must be facilitated by valves within veins and two "pumps." ... As skeletal muscles contract, veins are squeezed to help propel the blood toward the heart.
Examples of Nucleic Acids. Nucleic acids, best-known as DNA and RNA, are often termed "the building blocks of life." These building blocks are found in the nuclei of cells and help proteins to be built, help cells to replicate, govern heredity and the cell's chemical processes.
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They are also keystone species, playing an important role in maintaining the biodiversity of the ecosystems in which they live. During the dry season, elephants use their tusks to dig for water. ... Wherever they live, elephants leave dung that is full of seeds from the many plants they eat.
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They travelled over 2000 miles by sea is exceptional about the role of early Polynesian cultures in exploration
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These people have the exceptional talent having the excellency in boat making. And have the ability to sail across the sea with the help of currents, stars and with cloud formation. They have excellency with the highest skill in fishing and farming. Growing of fruit trees, growing of vegetables that also includes the growing of pigs, poultry and dogs. Islanders were having the talent of craftspeople, and cravings of wood, fibre and feathers for creating pieces of power and beauty.
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Translation
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Translation is a universal process occurs in both prokaryotes and eukaryotes. The fundamental process of translation is same in prokaryotes and eukaryotes. Members of both groups uses information present in mRNA, which is came from the DNA by transcription, to synthesize proteins with ribosome as the machinery.