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energy storage 3. Fat cells (“adipocytes”)-Specialize in synthesis
and storage of fats (high potential energy in the hydrocarbon
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
(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&
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.
- Spring '09