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Yogita Ingle 5 years, 4 months ago (2577571)
tRNA is called an adapter molecule because it attaches itself via initiation and elongation factors to the ribosome- mRNA complex which facilitates the incorporation of the correct amino acid to the growing polypeptide chain by its specific anticodon to the mRNA codon.
Francis Crick suggested that each amino acid has specific "adapter", a molecule which recognizes specific piece of DNA. Assembly of amino acids is determined by a recognition between the adaptor and DNA molecule which serves as the informational template.
Posted by Aadya Singh 5 years, 4 months ago (7056044)
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Aseem Mahajan 5 years, 4 months ago (7640926)
<svg width="600" height="600"> <g transform="translate(100,100)"> <text id="TextElement" x="0" y="0" style="font-family:Verdana;font-size:24; visibility:hidden"> It's SVG! <set attributeName="visibility" attributeType="CSS" to="visible" begin="1s" dur="5s" fill="freeze" /> <animateMotion path="M 0 0 L 100 100" begin="1s" dur="5s" fill="freeze" /> <animateTransform attributeName="transform" attributeType="XML" type="rotate" from="-30" to="0" begin="1s" dur="5s" fill="freeze" /> <animateTransform attributeName="transform" attributeType="XML" type="scale" from="1" to="3" additive="sum" begin="1s" dur="5s" fill="freeze" /> </text> </g> Sorry, your browser does not support inline SVG. </svg> <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <rect x="10" y="10" height="110" width="110" style="stroke:#ff0000; fill: #0000ff"> <animateTransform attributeName="transform" begin="0s" dur="20s" type="rotate" from="0 60 60" to="360 60 60" repeatCount="indefinite" /> </rect> </svg>
Posted by Aseem Mahajan 5 years, 4 months ago (7640926)
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Aseem Mahajan 5 years, 4 months ago (7640926)
<svg width="50%" height="150px"> <g id="R1" transform="translate(250 250)"> <ellipse rx="100" ry="0" opacity=".3"> <animateTransform attributeName="transform" type="rotate" dur="7s" from="0" to="360" repeatCount="indefinite" /> <animate attributeName="cx" dur="8s" values="-20; 220; -20" repeatCount="indefinite" /> <animate attributeName="ry" dur="3s" values="10; 60; 10" repeatCount="indefinite" /> </ellipse> </g> <use xlink:href="#R1" transform="rotate(72 390 150)" /> <use xlink:href="#R1" transform="rotate(144 390 150)" /> <use xlink:href="#R1" transform="rotate(216 390 150)" /> <use xlink:href="#R1" transform="rotate(288 390 150)" /> </svg>
Aseem Mahajan 5 years, 4 months ago (7640926)
Posted by Soundarya More 5 years, 4 months ago (9422302)
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B Chhaya 5 years, 4 months ago (9483032)
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Yogita Ingle 5 years, 4 months ago (2577571)
MATHEMATICS: In mathematics, the Arab sifr, or zero, provided new solutions for complicated mathematical problems. The Arabic numeral — an improvement on the original Hindu concept — and the Arab decimal system facilitated the course of science.
ASTRONOMY: Like algebra, the astrolabe was improved with religion in mind. It was used to chart the precise time of sunrises and sunsets, and to determine the period for fasting during the month of Ramadan, Arab astronomers of the Middle Ages compiles astronomical charts and tables in observatories such as those at Palmyra and Maragha.
MEDICINE: In the field of medicine, the Arabs improved upon the healing arts of ancient Mesopotamia and Egypt. Al-Razi, a medical encyclopedist of the ninth century, was an authority on contagion. Among his many volumes of medical surveys, perhaps the most famous is the Kitab al-Mansuri. It was used in Europe until the sixteenth century.
ARCHITECTURE: As with astronomy and mathematics, the great purpose of early Arab architecture was to glorify Islam.
NAVIGATION AND GEOGRAPHY: The world‘s earliest navigational and geographical charts were developed by Canaanites who, probably simultaneously with the Egyptians, discovered the Atlantic Ocean. The medieval Arabs improved upon ancient navigational practices with the development of the magnetic needle in the ninth century.
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Abhash Rana 5 years, 4 months ago (9354563)
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