Membrane Compartments Quiz

{Which of the following is NOT TRUE about the nucleolus - Electron microscopy shows it is electron dense - Site ribosomal RNAs transcription AND initial ribosomal assembly + It is tightly wrapped by a nuclear envelope inside the nucleus - It breaks up during mitosis - A prominent nucleolus indicates large amounts of protein production
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{Chromatin and other nuclear components bind to which part of the nucleus? - nuclear oblengota + Nuclear lamina (protein lining of the inner membrane) - Golgi apparatus - chromosomes - Outer nuclear envelope
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{Which is true about the appearance of mitochondria in an H&E stain - Appears dark purple (basophillic) due to mitochondrial DNA - Appears dark purple (basophillic) due to high protein concentration - Appears pink (acidophillic) due to mitochondrial DNA + Appears pink (acidophillic) due to high protein concentration - Appears pale due to staining artifacts
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{Order the 5 steps involved in ribosome assembly --+--rRNA synthesis in the nucleolus: ribosomal proteins associate with appropriate rRNA to form ribosomal subunits +Ribosomal proteins are synthesized in the cytoplasm +Ribosomes self assemble from subunits in cytoplasm -+---Proteins are transported into nucleus via nuclear pores ---+-Subunits are transported back out of the cytoplasm through nuclear pore complexes
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 * First|Second|Third|Fourth|Fifth

{Bulgaria and Rumania joined the European Union in 2007. + TRUE. - FALSE.
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