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These are primary molecules making up plasma membranes in cells?
Phospholipids are the primary molecules that make up plasma membranes in cells. Other important molecules include cholesterol, glycolipids, and proteins. These components help maintain the structure and function of the plasma membrane.
What membranes allow some materials to pass while constraining the movement of other molecules.?
Semi permeable membranes as the plasma membranes in cells of our body.
What is the difference between cell surface membrane and plasma membrane?
The diffrence is that the cell membrane is just a barrier between the exterior enviroment and the interior of the cell, while the cell surface membrane exerts control over what enters/leaves the cell! :)
Why is cholesterol so important to the plasma membrane?
why are cholesterol molecules important components of cell membranes
Do hydrophilic heads on plasma membranes attract or reple water?
Hydrophilic heads on plasma membranes attract water. These heads are composed of polar molecules that interact with water molecules due to their similar polarity, allowing water to be attracted to and interact with the membrane.
Why are plasma membranes folded?
Most plasma membranes are the site for important cellular reactions/processes. One of the concepts that crops up all across the field of Biology is the effect of increased surface area and reaction rate. Evolution has driven most vital processes to take place over a large surface area so more reactants can be transformed to products. The folding of a plasma membrane greatly increases its surface area; therefore, reaction rate is increased.
What are small channels that form across the plasma membranes of adjacent cells?
Gap junctions are small channels that form across the plasma membranes of adjacent cells, allowing for direct communication and exchange of ions, small molecules, and signaling molecules between the cells.
Thyroxine molecules are too large to pass through the plasma membranes of their target cells?
false- small
What role do proteins play in the structure and function of plasma membranes?
Proteins in plasma membranes help maintain the structure and regulate the functions of cells by serving as channels for molecules to enter and exit the cell, as well as facilitating cell signaling and recognition.
What are the two principal types of molecules in plasma membranes?
The two principal types of molecules in plasma membranes are phospholipids and proteins. Phospholipids form the basic structure of the membrane, while proteins are embedded within or attached to the phospholipid bilayer and serve various functions such as transport, signaling, and cell recognition.
Are plasma membranes only found in plant cells?
no animal cells also have plasma membranes
What are the differences between the plasma membrane and other membranes?
plasma membrane and other membranes are the same
