ABIO Lecture 12 6 slides per page

Various types of modifications phosphate phospholipid

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Unformatted text preview: _ energy storage 3. Fat cells (“adipocytes”)-Specialize in synthesis _______ _________________________. and storage of fats (high potential energy in the hydrocarbon tails) C 2. Good source of ________ atoms for synthesis of other compounds Figure 6-4b D. Phospholipids 1.  Occur in Biological membranes lipid bilayer 2.  Various types of modifications phosphate Phospholipid. Polar head (hydrophilic). 3.  Lipid bilayer Nonpolar tail (hydrophobic). diglyceride 3& 2/17/13& Lipid bilayers. Phospholipid.Bilayer. Water. No water. Hydrophilic heads interact with water. Hydrophobic.tails.. interact.with.each.other. Hydrophilic heads interact with water. Figure 6-13 Figure 6-29 simple diffusion (__________________)& Facilitated diffusion . Diffusion . Active transport . O2& O2& O2& O2& O2& O2& Outside cell . Phospholipids are in constant Lateral motion, but rarely flip to the other side of the bilayer. Inside cell . O2& Passive movement of small, uncharged molecules along an electrochemical gradient, through a membrane. Passive movement of …. Active movement of …. YES. YES. Against&a&concentra=on&gradient& Requires&Energy&(e.g.&ATP)& Figure 6-14 Figure 6-15 When&molecules&cannot&...
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This document was uploaded on 03/11/2014 for the course ABIO 212 at SUNY Albany.

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