| 单词 | microsomal fraction |
| 释义 | microsomal fractionmicrosomal fractiona collection of tiny subcellular particles, invisible with the light MICROSCOPE, that are produced during DIFFERENTIAL CENTRIFUGATION of eukaryotic cells. Under the ELECTRON MICROSCOPE, these microsomes can be seen to consist mainly of membranes and RIBOSOMES from the ENDOPLASMIC reticulum. The microsomal fraction is thus an artefact produced by the preparation process, rather than a biological entity. |
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