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Electron microscopes use _beam of electrons___ in order to allow for higher magnification and more detail when viewing specimens.
Explanation:
A beam of electrons has a shorter wavelength than normal light used in light microscopes, by approximately a factor of X 100000. Therefore, electrons microscope have the inherent attribute of having a very high resolution. They have been used to discover very small organelles in cells such as the ribosomes and mitochondria that cannot be clearly viewed even with the highest resolution in light microscopes.
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Answer:
it tells you all the answers
Explanation:
<span>Pyrolobus fumarii belongs to the kingdom of archaebacteria that is a thermophile which thrives at very high temperatures as much as 113 C. </span>It was first discovered in 1997 in a hydrothermal vent where the temperature is as high as that. It belongs to the p<span><span>hylum Crenarchaeota, c</span><span>lass Thermoprotei, </span><span>Order Desulfurococcales and </span><span>Family <span>Pyrodictiaceae. Answer is B. </span></span></span>
Answer:
Proteins range in molecular weight from 1000 to more than 1 million daltons (Da), but the folded size of a globular protein is not necessary correlated to its molecular weight. Proteins composed of about 250 amino acids or less often have a simple, compact globular shape. Larger globular proteins are usually made up of two or more recognizable and distinct structures, termed domains or modules. These are compact, folded protein structures that are usually stable by themselves in aqueous solution. Typical domain structures consist of hydrophobic cores with hydrophilic surfaces. Individual domains often possess unique functional behaviors and often perform unique functions within the larger protein in which they are found.
