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Water crosses plasma membranes through specialized channels?
Water crosses plasma membranes through specialized channels called diffusion and concentrated gradient.
What channels does water cross plasma membranes?
Aquaporins.
The plasma membranes of two adjacent cells come in contact at special sites called?
The plasma membranes of two adjacent cells come in contact at special sites called gap junctions or desmosomes. These structures are important for cell-cell communication and adhesion.
The majority of water molecules moving across plasma membranes by osmosis do so via a process that is most similar to?
The majority of water molecules moving across plasma membranes by osmosis do so via a process that is most similar to facilitated diffusion. This process involves the use of specialized protein channels called aquaporins, which facilitate the rapid movement of water molecules across the hydrophobic lipid bilayer of the membrane. Unlike simple diffusion, which occurs directly through the membrane, facilitated diffusion requires these specific channels to enhance the transport efficiency of water.
What type of cellular junction that forms when a channel is formed between two adjacent plasma membrane?
A gap junction forms when a channel is created between two adjacent plasma membranes. This type of cellular junction allows for direct communication and passage of small molecules between the two cells.
How plasma membrane diffuse across plasma membrane?
Ions can't diffuse across membranes, they must used channels to transport across
Water crosses plasma membranes through specialized channels?
Water crosses plasma membranes through specialized channels called diffusion and concentrated gradient.
What channels does water cross plasma membranes?
Aquaporins.
The plasma membranes of two adjacent cells come in contact at special sites called?
The plasma membranes of two adjacent cells come in contact at special sites called gap junctions or desmosomes. These structures are important for cell-cell communication and adhesion.
The majority of water molecules moving across plasma membranes by osmosis do so via a process that is most similar to?
The majority of water molecules moving across plasma membranes by osmosis do so via a process that is most similar to facilitated diffusion. This process involves the use of specialized protein channels called aquaporins, which facilitate the rapid movement of water molecules across the hydrophobic lipid bilayer of the membrane. Unlike simple diffusion, which occurs directly through the membrane, facilitated diffusion requires these specific channels to enhance the transport efficiency of water.
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 type of cellular junction that forms when a channel is formed between two adjacent plasma membrane?
A gap junction forms when a channel is created between two adjacent plasma membranes. This type of cellular junction allows for direct communication and passage of small molecules between the two cells.
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
Adjacent cardiac muscle cells are firmly attached to each otherby modified plasma membranes called?
intercalated discs containing gap junctions and desmosomes.
What cells have internal membranes and plasma membranes?
Eukaryotic cells.
What are eukaroytic cells surrounded by?
cell membranes and plasma membranes
