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What 2 fat-based molecules make up part of the structure of the plasma membrane?
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Which structure regulates passage of molecules into and out of cells?
The cell membrane is a membrane separating the inside of the cell from the outside environment. This structure is also known as the plasma membrane or the cytoplasmic membrane.
What is the bacterial structure that acts as a selective barrier allowing nutrients to enter the cell and wastes to leave the cell.?
plasma membrane
The plasma membrane is a semipermeable membrane. This means that it is?
it is permeable to some molecules and not permeable to others.
This structure is the outermost boundary of the cell and is semipermeable?
Plasma membrane or cell membrane
On the outer surface of the plasma membrane there are marker molecules that identify the cell-type Often these molecules are?
These molecules are typically membrane carbohydrates. These assist in the identification of the type of cell.
Which structure regulates passage of molecules into and out of cells?
The cell membrane is a membrane separating the inside of the cell from the outside environment. This structure is also known as the plasma membrane or the cytoplasmic membrane.
What are the molecules in a plasma membrane that provide basic membrane structure cell identity and membrane fluidity?
Plasma Memberances envelop all plant and animal cells and all single-celled eukaryotes and prokaryotes, seperating them from more.
What are the functions of the plasma membrane in Eukaryotes?
Plasma membrane gives structure to the cell, serve as boundary. It allows the selective passage of molecules across the cell (semi permeable). Starts the signalling event from the receptors it posses on the membrane surface when there is a stimuli bind to it.
What is the bacterial structure that acts as a selective barrier allowing nutrients to enter the cell and wastes to leave the cell.?
plasma membrane
What structure is involved in phagocytosis?
Plasma Membrane !
What are the cylindrical extensions of a plasma membrane?
fine structure of plasma mambrane that can only be seen with electron microscope is called ultra structure of plasma mambrane the ultra structure of plasma mambrane is that this mambrane is consist of phospholipid bilayer in which protien molecules are embbeded at intervals in mosaic mannaer.
What are most of the molecules that compose the plasma membrane?
phospholipids
What Molecules in the plasma membrane function as transporters?
Proteins
What are the specialized parts of the phospholipid bilayer and how do their structure's relate to the structure of the plasma membrane?
that meand there no plasma membrene
Selective permeability refers to the fact that the plasma membrane keeps all molecules out of the cell?
Selective permeability refers to the fact that the plasma membrane can choose which molecules to let in or out of the cell.
What are the molecules in the plasma membrane made of?
phospholipids are the molecules that make up the plasma membrane and they are made of polar (hydrophilic) heads and 2 non-polar (hydrophobic) tails
This structure is the outermost boundary of the cell and is semipermeable?
Plasma membrane or cell membrane
