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Definition of impermeable membrane?
im·per·me·a·ble   [im-pur-mee-uh-buhl] Show IPA adjective1.not permeable; impassable.2.Chemistry, Geology . (of porous substances, rocks, etc.) notpermitting the passage of a fluid through the pores,interstices, etc.
Why is the membrane impermeable to protons?
The membrane is impermeable to protons because it contains specific proteins called proton pumps that actively transport protons across the membrane. This selective transport mechanism helps maintain the balance of protons inside and outside the cell, which is crucial for various cellular processes.
The part of the cell that is in most direct contact with the environment is the?
The cell membrane, which surrounds the cell and is responsible for which molecules are allowed to diffuse into or out of the cell and which molecules are impermeable to the membrane
What Component of cell membrane that makes it impermeable to water?
The cell membrane is not impermeable to water but semi permeable which means it allowa only water to enter into the cell when the concentration of water molecules is higher in the fluid surrounding the cell than the fluid inside the cell.
A cell membrane is relatively impermeable to substances that are?
A cell membrane is relatively impermeable to charged ions, large molecules, and polar molecules. This selective barrier allows the cell to maintain internal conditions necessary for its proper function.
What is a sentence using the word impermeable?
an impermeable membrane
What is the definition of impermeable?
A membrane that lets all materials cross is permeable. A membrane that lets nothing cross is impermeable.
What is an impermeable solute?
An impermeable solute is a substance that cannot pass through a semipermeable membrane, such as a cell membrane. This means that the solute is unable to diffuse or move across the membrane and remains on one side of the membrane.
What part of the body that contain impermeable membrane?
cell
If a substance is unable to diffuse across a membrane we say the membrane is?
osmotically active
Definition of impermeable membrane?
im·per·me·a·ble   [im-pur-mee-uh-buhl] Show IPA adjective1.not permeable; impassable.2.Chemistry, Geology . (of porous substances, rocks, etc.) notpermitting the passage of a fluid through the pores,interstices, etc.
What does it mean when you say a cell membrane is impermeable?
nothing can pass through it
Do all cells have a membrane?
Cells have impermeable, permeable and selectively permeable membranes.
Why is the membrane impermeable to protons?
The membrane is impermeable to protons because it contains specific proteins called proton pumps that actively transport protons across the membrane. This selective transport mechanism helps maintain the balance of protons inside and outside the cell, which is crucial for various cellular processes.
When does the cell membrane become impermeable?
The cell membrane becomes impermeable when it loses its integrity, typically due to damage or changes in its structure. This can prevent substances from freely moving in and out of the cell, disrupting essential cellular processes.
Is diffusive equilibrium possible for the molecule that is impermeable?
No, diffusive equilibrium requires a concentration gradient and the ability of the molecule to pass through a membrane. If a molecule is impermeable, it cannot move freely across the membrane, so diffusive equilibrium is not possible for that molecule.
What are examples of impermeable surfaces?
Examples of impermeable surfaces include concrete, asphalt, metal, and plastic. These surfaces do not allow water to pass through, leading to increased surface runoff and potential flooding.
