What helps the cell membrane maintain fluidity?
What helps the cell membrane maintain fluidity?
What makes the cell membrane fluid?
- Cholesterol: The cholesterol molecules are randomly distributed across the phospholipid bilayer, helping the bilayer stay fluid in different environmental conditions.
- Saturated and unsaturated fatty acids: Fatty acids are what make up the phospholipid tails.
What would increase the fluidity and permeability of a cell membrane?
cis-unsaturated fatty acids increase membrane fluidity and permeability by disrupting close packing of fatty acid tails.
What is cell membrane fluidity?
Cell membrane fluidity (CMF) is a parameter describing the freedom of movement of protein and lipid constituents within the cell membrane. CMF appears to influence several cellular processes including the activity of membrane-associated enzymes.
What two components of cell membrane contributes to the fluidity of the membrane?
The mosaic nature of the membrane, its phospholipid chemistry, and the presence of cholesterol contribute to membrane fluidity.
Which of the following will increase membrane fluidity?
At low temperature, cholesterol serves to increase membrane fluidity. It does so by inserting itself between phospholipid tails and preventing packing. All the other options would decrease membrane fluidity at low temperature.
How effective is electroporation?
The investigators have shown that low-voltage electroporation can induce immunity and protect mice effectively [Daemi et al., 2012; Zhou et al., 2008]. In addition, intradermal DNA electroporation is one of the most efficient non-viral methods for the delivery of gene into the skin [Lin et al., 2012].
Is electroporation better than heat shock?
Comparison of chemical transformation and electroporation. On the other hand, electroporation tends to be more efficient than heat shock. Hence, this method is amenable to a broader range of DNA amounts (from low to saturating concentrations), fragment sizes, and complexities.
