1RNA Translation Biology 1F25for Biology Non-MajorsLecture 3Background Reading•Textbook: Chapters 3 and 21 and suggested pages on the following slides The People Who Prepared This LectureHarry PeeryJeff Stuart(1) The cell is a factoryBuilds itself, and also makes bits for other cellsNucleus – manager’s officeRibosomes – assembly linesmRNA - foremanEndoplasmic reticulum - finishing touchesGolgi apparatus – packagingMembrane – brick walls with lots of doorsMitochondria – furnaceFood – fuel for furnace
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2Nucleus (and some rough endoplasmic reticulum)We have seen how mRNA was transcribed. We now want to see how mRNA is translated.The nucleus: where the DNA and its managers are kept The messenger RNA leaves the nucleus through nuclear pores. What the nuclear pores look like under the electron microscope.