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What feature of a membrane describes whether molecules can cross the membrane?
permeabiity
What controls what passes in and out of cells?
Cell membranes control what passes in and out of cells. They are selectively permeable, meaning they allow certain substances to enter or exit the cell while blocking others. This regulation helps maintain the internal environment of the cell and ensures proper functioning.
Why is the passing into and out of a cell tHROUGH the cell membrane important?
The cell membrane controls what enters and exits the cell, allowing essential nutrients to come in and waste products to be expelled. This selective permeability maintains the cell's internal environment and ensures proper functioning. Without this regulation, the cell would not be able to survive or function properly.
Which of the following factors does not affect membrane permeability?
The presence of membrane proteins does not directly affect membrane permeability. Membrane proteins mainly play a role in transport, signaling, and cell recognition rather than impacting the permeability of the membrane itself.
Does an increase in cholesterol affect membrane permeability?
Yes, an increase in cholesterol can affect membrane permeability by making the cell membrane less fluid and more rigid, which can impact the movement of molecules in and out of the cell.
Improper functioning of what might lead to poor regulation of membrane permeability?
platelets
Improper functioning or regulation what might lead to poor regulation of membrane permeability?
It would be helpful to include what the following is so a person will be able to know which might lead to poor regulation. Including this information will enable someone to know the right answer.
What feature of a membrane describes whether molecules can cross the membrane?
permeabiity
What controls what passes in and out of cells?
Cell membranes control what passes in and out of cells. They are selectively permeable, meaning they allow certain substances to enter or exit the cell while blocking others. This regulation helps maintain the internal environment of the cell and ensures proper functioning.
Why is the passing into and out of a cell tHROUGH the cell membrane important?
The cell membrane controls what enters and exits the cell, allowing essential nutrients to come in and waste products to be expelled. This selective permeability maintains the cell's internal environment and ensures proper functioning. Without this regulation, the cell would not be able to survive or function properly.
What is the ability of a cell membrane to allow material to pass through it called?
permeability
Which of the following factors does not affect membrane permeability?
The presence of membrane proteins does not directly affect membrane permeability. Membrane proteins mainly play a role in transport, signaling, and cell recognition rather than impacting the permeability of the membrane itself.
What are the units used to measure membrane permeability?
The units used to measure membrane permeability are typically expressed in terms of permeability coefficient, which is measured in cm/s or m/s.
What can you conclude the permeability of the egg membrane?
The permeability of the egg membrane can be inferred based on the substances that can pass through it. For instance, if certain molecules or ions are able to cross the membrane easily, the permeability is high. Conversely, if only specific molecules can pass through, the permeability is more restricted.
Which molecule of a membrane describes whether molecules can cross the membrane?
permeability
Which feature of a membrane describes molecules whether can cross the membrane?
permeability
What is cell membrane permeability?
It is the ability of the membrane to allow ions and/or particles to cross.
