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A semi-permeable membrane. Does cross - membrane transit of glucose need active transport,

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What single characteristic of the semipermeable membrane used in the laboratory determines the substances that can pass through them?

The molecular size of the substances is the single characteristic that determines which substances can pass through a semipermeable membrane in the laboratory. Smaller molecules can pass through while larger molecules are blocked.


Which of the following molecules would be blocked by a cell membrane?

Large molecules such as proteins and nucleic acids are typically blocked by the cell membrane due to their size and complexity. Small, nonpolar molecules like oxygen and carbon dioxide can easily pass through the cell membrane through simple diffusion.


What regulates passage of materials into and out of cells?

The cell membrane, or plasma membrane, regulates the passage of materials into and out of cells through selective permeability. This means that only certain substances are allowed to pass through the membrane, while others are blocked or actively transported. This selective permeability helps maintain the internal environment of the cell and allows for proper function and communication with the external environment.


If you were a protein destined to reach the plasma membrane and you were making your way through the Golgi when suddenly Golgi trafficking was blocked at the trans face what would happen to you?

If you were a protein destined to reach the plasma membrane and you were making your way through the Golgi when suddenly Golgi trafficking was blocked at the trans face, what would happen to you?


What is a membrane that allows some substances to pass through but excludes others?

A membrane that lets some substances pass through but not others is known as a semipermeable membrane. Other terms that describe this type of membrane are: selectively permeable, partially permeable, or differentially permeable.

Related Questions

The cell membrane of red blood cells will allow water oxygen carbon dioxide and glucose to pass through. Because other substances are blocked from entering this membrane is called?

semi-permeable


What single characteristic of the semipermeable membrane used in the laboratory determines the substances that can pass through them?

The molecular size of the substances is the single characteristic that determines which substances can pass through a semipermeable membrane in the laboratory. Smaller molecules can pass through while larger molecules are blocked.


What is the meaning of selecting permeable?

Selective permeability refers to the function of plasma membranes that is needed to maintain homeostasis in a cell and prevent foriegn substances from entering through the cells walls. Some molecules can pass, some are blocked


What is the outcome of Antietam?

The Southern army was blocked from entering the North.


During swallowing food is blocked from entering the trachea by the?

epiglottis


What is meaning of selectively permeable?

Selective permeability refers to the function of plasma membranes that is needed to maintain homeostasis in a cell and prevent foriegn substances from entering through the cells walls. Some molecules can pass, some are blocked


What was blocked from entering the leaves?

Falling leaves can clog gutters and prevent them from draining rainfall properly.


What was blocked from entering leaves?

Falling leaves can clog gutters and prevent them from draining rainfall properly.


What regulates passage of materials into and out of cells?

The cell membrane, or plasma membrane, regulates the passage of materials into and out of cells through selective permeability. This means that only certain substances are allowed to pass through the membrane, while others are blocked or actively transported. This selective permeability helps maintain the internal environment of the cell and allows for proper function and communication with the external environment.


Which of the following molecules would be blocked by a cell membrane?

Large molecules such as proteins and nucleic acids are typically blocked by the cell membrane due to their size and complexity. Small, nonpolar molecules like oxygen and carbon dioxide can easily pass through the cell membrane through simple diffusion.


How do you check your yahoo mail if its blocked?

In order to Re-Open your blocked yahoo account you will be prompted to enter your secure question and answer. On entering the right answer, you will be automatically directed to your account.


If you were a protein destined to reach the plasma membrane and you were making your way through the Golgi when suddenly Golgi trafficking was blocked at the trans face what would happen to you?

If you were a protein destined to reach the plasma membrane and you were making your way through the Golgi when suddenly Golgi trafficking was blocked at the trans face, what would happen to you?