0
What else can I help you with?
What are the compounds find it difficult to cross the plasma membrane?
lipid and protien
What types of molecules have difficulty crossing the plasma membrane?
Large molecules like proteins and nucleic acids have difficulty crossing the plasma membrane due to their size. Charged molecules or ions also face barriers crossing the membrane because of the hydrophobic nature of the lipid bilayer. Additionally, molecules that are not lipid-soluble may have difficulty passing through the membrane.
What is the Plasma membrane lipid that improves the rigidity of the plasma membrane and increases the membrane's impermeability to water?
Cholesterol is the plasma membrane lipid that improves rigidity and reduces permeability to water due to its ability to pack tightly between the phospholipid molecules, increasing membrane stability.
How does nutrients enter a cell?
The plasma membrane.
Is the plasma membrane of a cell selectively permeable?
Yes, it is selective about the compounds and molecules it allows across the membrane.
Another name for plasma membrane?
A cell membrane is also known as a plasma membrane or cytoplasmic membrane. The cell membrane separates the interior of a cell from its outside environment. The main function of a cell membrane is to protect the cell from its surroundings.
How will an increase in cholesterol content in the plasma membrane affect the overall properties and functions of the membrane?
An increase in cholesterol content in the plasma membrane can make the membrane more rigid and less permeable. This can affect the membrane's ability to transport molecules, communicate with other cells, and maintain its structure.
How is the plasma membrane of the liver cell?
plasma membrane
Which of the following would likely move through the lipid bilayer of a plasma membrane most rapidly?
Small, nonpolar molecules such as oxygen and carbon dioxide would likely move through the lipid bilayer of a plasma membrane most rapidly due to their ability to dissolve in the hydrophobic core of the membrane.
Which hormone initiates biological action by crossing the plasma membrane and then binding to a receptors?
Steroid hormones such as estrogen, testosterone, and cortisol initiate biological actions by crossing the plasma membrane and binding to receptors inside the cell. This binding activates gene transcription and protein synthesis that lead to various cellular responses.
What is contained in the plasma membrane of a cell?
Other than a few compounds that contribute to its fluidity, there are integral and peripheral proteins.
Why is the plasma membrane referred to as the fluid moasic model?
the plasma membrane is not rigid and the lipids in the membrane have the ability to move past each other slightly in order to facilitate the passage of certain compounds that need to be moving in and out of the cell.
