5.B Membrane-bound Organelles




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5.B.1 Mitochondria

More info: http://www.johnkyrk.com/mitochondrion.html

5.B.1.a site of ATP production

5.B.1.b self-replication; have own DNA and ribosomes

5.B.1.c inner and outer membrane

5.B.2 Lysosomes (vesicles containing hydrolytic enzymes)

5.B.3 Endoplasmic reticulum

5.B.3.a rough (RER) and smooth (SER)

5.B.3.b RER (site of ribosomes)

5.B.3.c role in membrane biosynthesis: SER (lipids), RER (transmembrane proteins)

More info: http://www.sumanasinc.com/webcontent/animations/content/vesiclebudding.html

5.B.3.d RER (role in biosynthesis of transmembrane and secreted proteins that cotranslationally targeted to RER by signal sequence)

5.B.4 Golgi apparatus (general structure; role in packaging, secretion, and modification of glycoprotein carbohydrates)


 

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