Biology 1.3 Kognity
Terms in this set (6)
The presence of cholesterol in the plasma membranes:
Enables the membrane to stay fluid more easily when the cell temperature drops.
Name the property of cholesterol which allows it to insert itself into cell membranes.
When a membrane is freeze-fractured, the bilayer splits down the middle between the two layers of phospholipids. In an electron micrograph of a freeze-fractured membrane, the bumps seen on the fractured surface of the membrane are:
Describe the Davson-Danielli's model.
It comprises a lipid bilayer sandwiched between two protein layers on either side of the membrane.
Membrane proteins of hamster cells were marked with a blue dye and membrane proteins of human cells were marked with a green dye. What would be seen after the fusion of the cells?
Blue and green marker dyes fully mixed.
What is the approximate thickness of the plasma membrane?
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