Lecture 2 - Lecture 2 Transfer of membrane segments Budding...

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Lecture 2 Transfer of membrane segments Budding -> vesicle o Vesicle: “Bubbles” of membrane transports o One reason why eukaryotes have a larger surface area than prokaryotes III. Plasma Membrane a. Encloses cell contents b. c. Selectively permeable d. Membrane does not equal cell wall a. Plants, fungi, bacteria usually have cell walls IV. Organelles a. Nucleus - Fig. 4.13 a. About 5 microns in diameter b. DNA c. Nuclear envelope c.i. Separates nuclecplasm from cytoplasm c.ii. 2 concentric membranes space c.iii. Membrane fuses at intervals to form nuclear pores c.iii.1. Protein complexes at the pores d. Nucleolus d.i. d.ii. Within nucleus d.iii. No membrane d.iv. Ribosome produced e. Ribosome e.i. Leave nucleus e.i.1. Leaves the nucleus through the nuclear pores e.i.2. Site of protein synthesis e.ii. Free – not bound to a membrane e.iii. Membrane bound f. Endoplasmic reticulum f.i. ER lumen (Natural space) f.ii. Forms a single natural compartment f.iii. ER membrane connected to outer nuclear membrane f.iv.
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This note was uploaded on 01/26/2012 for the course BIO 119:101 taught by Professor Martin during the Fall '08 term at Rutgers.

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Lecture 2 - Lecture 2 Transfer of membrane segments Budding...

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