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Painting of Osteolepis macrolepidotys ( primitive fish),The fish fossil shown in the picture is Osteolepis macrolepidotus. It is a Devonian coelacanth from the Orkney Islands, Scotland. This fish was the first to take steps onto land from one pool to another, using their lobe fins.
السمات:
Osteolepis macrolepidotys primitive fish sea water ocean river fish blank white |
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Vector generated Image of 120V Low Voltage Transformer:Low voltage power is described as power supplied from a transformer of 30 volts or less. The transformer actually steps down and converts 120-volt power to 30 volts or less. Transformers are normally mounted on a junction box. Sometimes...
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low voltage transformer,transformer,multitap transformer |
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Vector generated Image of Current Balance:The ampere balance (also current balance or Kelvin balance) is an electromechanical apparatus used for the precise measurement of the SI unit of electric current, the ampere. It was invented by William Thomson, 1st Baron Kelvin. The current to be measured...
السمات:
ampere balance current balance Kelvin balance |
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Vector Generated Image of A sketch showing meiosis II:Meiosis II is the second part of the meiotic process. Much of the process is similar to mitosis. The end result is production of four haploid cells (23 chromosomes, 1N in humans) from the two haploid cells (23 chromosomes, 1N * each of the...
السمات:
A sketch showing meiosis II meiosis meiosis II |
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Painting of Angular unconformity is an unconformity where horizontally parallel strata of sedimentary rock are deposited on tilted and eroded layers, producing an angular discordance with the overlying horizontal layers. The whole sequence may later be deformed and tilted by further orogenic...
السمات:
Angular unconformity unconformity types of unconformity geography land |
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Painting of Angular unconformity is an unconformity where horizontally parallel strata of sedimentary rock are deposited on tilted and eroded layers, producing an angular discordance with the overlying horizontal layers. The whole sequence may later be deformed and tilted by further orogenic...
السمات:
Angular unconformity unconformity types of unconformity geography land |
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Painting of Edward Lawrie Tatum (December 14, 1909 – November 5, 1975) was an American geneticist. He shared half of the Nobel Prize in Physiology or Medicine in 1958 with George Wells Beadle for showing that genes control individual steps in metabolism. The other half of that year's award went...
السمات:
The scientist Tatum,geneticist,white, blank |
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Painting of Replication of HIV:HIV replication is a complex multi-staged process that includes crucial steps taking place on the exterior as well as the interior of the target host cell. The first three steps involved in cell entry are termed attachment, co-receptor binding and fusion. Each step...
السمات:
replication of HIV life cycle of HIV HIV HIV Virus |
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