Synonyms, Related Subjects, Ideas for Stock Photography Helix1000ad, 1238 AD, 149-4293alpes maritimes, 14th century, 17 juni, 1st Brigade, 2000 year old, 21st century, 23 AD, 3000-1700 bc, 330 BC, 37,000 Feet, 3rd Dynasty, 40-40 years, |
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Helix Stock Photography from IPNstock |
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 Peter Menzel/ASA / ASA, GBR_SCI_DNA_26_xs (1992) Nymsfield, England. Badger research center. Peter Mallinson takes sputum & blood samples studying the epidemiology of Tuberculosis in Badgers & how they spread it to cattle. Catheters are stuck down the badgers throats, anesthetizing them, allowing researchers to take blood samples. By taking sputum and blood samples that are then DNA fingerprinted, researchers are able to study the epidemiology of tuberculosis in badgers and how they spread it to cattle. Animals were also weighed, ear tagged, and tattooed. DNA consists of two sugar- phosphate backbones, arranged in a double helix, linked by nucleotide bases. There are 4 types of base; adenine (A), cytosine (C), guanine (G) and thymine (T). Sequences of these bases make up genes, which encode an organisms genetic information. DNA Fingerprinting. |
 Peter Menzel/ASA / ASA, (1992) Professor Alec Jeffreys (b. 1950), English molecular biologist and discoverer of DNA fingerprinting. In the background is an image of an autoradiogram, the visualization technique used to compare DNA samples. A DNA fingerprint is a unique genetic sequence, which identifies any individual, human or animal, from a tiny sample of tissue such as blood, hair, or sperm. Its many uses include the identification and conviction of criminals, and the proving of family relationships, such as the paternity of a child. Only monozygotic identical twins share the same DNA. DNA consists of two sugar- phosphate backbones, arranged in a double helix, linked by nucleotide bases. There are 4 types of base; adenine (A), cytosine (C), guanine (G) and thymine (T). Sequences of these bases make up genes, which encode an organisms genetic information. The bands (black) on the autoradiogram show the sequence of bases in a sample of DNA. Jeffreys is a professor in the Department of Genetics at the University of Leicester, England. MODEL RELEASED |
 Hempel, Joerg/artur / fotofinder, DEU, 19, 03, 1997, Neues, townhall, city hall, town-hall, in, Wetzlar, look up, round stair well, open well, well hole, architects, Carpus, associate partner, GmbH |
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Helix Stock Photography from SuperStock |
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 DNA |
 Human DNA |
 Human DNA |
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Helix Stock Photography from National Geographic Images |
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 Vascular system of dead penguins foot is red due to dye injection. |
 Close view of a garden snail as it drags its shell over moss. |
 Common Garden Snail (Helix aspersa) climbing plant stem, Germany |
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more rights-managed helix stock photography by National Geographic Images >>> |
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Helix Stock Photography from Photo Researchers |
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more rights-managed helix stock photography by Photo Researchers >>> |
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Helix Stock Photography from Phototake USA |
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more rights-managed helix stock photography by Phototake USA >>> |
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