TRUE or FALSE: Eukaryotic cells feature membrane bound organelles that create specialized compartments within a single cell. The primary structure of the outer cell membrane is a double layer but the membranes that enclose organelles are only single layer.
TRUE or FALSE:
Eukaryotic cells feature membrane bound organelles that create specialized compartments within a single cell. The primary structure of the outer cell membrane is a double layer but the membranes that enclose organelles are only single layer.
Choose.
1. Which of the following is one of the ways that will keep the membranes of such vegetables to remain fluid when it is extremely cold?
A) by increasing the percentage of unsaturated phospholipids in the membrane
B) by decreasing the number of hydrophobic proteins in the membrane
C) by increasing the percentage of cholesterol molecules in the membrane
D) by co-transport of glucose and hydrogen
2. After a membrane freezes and then defrost, it often turns out to be loose to solutes. The best logical reason for this is that:
A) the lipid bilayer loses its fluidity when it freezes.
B) transport proteins become nonfunctional during freezing
C) the integrity of the lipid bilayer is broken when the membrane freezes
D) the solubility of most solutes in the cytoplasm decreases on freezing
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