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Inside the Cell.docx

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Department
Biology
Course
BIOL 230W
Professor
Unknown
Semester
Fall

Description
Inside the Cell Monday, September 10, 2012 8:12 PM  Plasma membrane  lipid bilayer with proteins  selectively permeable  Proteins regulate the passage of materials into and out of the cell  Extracellular matrix resides on extracellular side 1. Glycoproteins 2. carbohydrates 3. minerals may occur.  Provides structure, support, communication  Cytoplasm  Material inside the cell, excluding nucleus  Cytosol-liquid portion excluding organelles  Nucleus  Location of genomic DNA  Nuclear envelope (double lipid bilayer) separates genomic DNA from cytoplasm o Part of the endomembrane system  Envelope regulates what enters and exits the nucleus o Nuclear pores-Help to protect the DNA and control gene expression  Endoplasmic reticulum  Part of the endomembrane system  Location of translation (protein synthesis) or lipid/steroid synthesis  Ribosome  Composed of RNA and proteins  Function = protein synthesis o Translate mRNA to proteins  Loc
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