NATS 1675 Lecture Notes - Lecture 1: Lipid Bilayer, Cell Membrane, Olive Oil
25 Apr 2015
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Document Summary
Cytoplasm the place where the most organelles are found (between nucleus. Selectively permeable membrane allows some substances to pass through the membrane while preventing the passage of others. The cytoplasm contains networks of membranes and many other organelles suspended in a clear liquid (cytosol). Organs (the tissues that perform a function) . Organ systems (organs have to work within an organ system) multicellular. Most human cells range from 0. 5 40 mm = (micrometer: 1/1000 of a mm and a mm is about the width of the metal used to make a paper clip) Some nerves especially in legs can reach the 1 m. Its integrity & function are necessary to the function of cell. It is composed of a phospholipid bilayer with attached and imbedded proteins that can change positions. At room temperature this phospholipid layer is a liquid with the consistency of olive oil. The proteins consist of fibrous proteins and globular proteins.
