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The semi-permeable part of the cell would be the cell membrane, which allows some molecules (water, in particular) to pass freely through but restricts the movement of other molecules (such as proteins and enzymes).

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What structure controls the movement of materials into and out of all cells?

The cell membrane, also known as the plasma membrane, controls the movement of materials into and out of all cells. It is a selectively permeable barrier that regulates the passage of substances in and out of the cell to maintain internal homeostasis.


Is movement of water from an area of high concentration to an area of low concentration across a?

across semipermeable membrane? That is osmosis, the net movement of water.


What controls movement of materials in and out of the cell?

The cell membrane regulates the movement of materials in and out of the cell through processes such as diffusion, osmosis, and active transport. Additionally, specific transport proteins embedded in the membrane facilitate the passage of certain molecules and ions.


What Controls the passage of substances into and out of a animal cell?

The cell membrane, made up of phospholipids and proteins, controls the passage of substances into and out of animal cells. Selective permeability allows for the regulation of what molecules can enter and leave the cell, maintaining internal conditions necessary for proper cell function. Transport proteins, such as channels and carriers, play a key role in facilitating the movement of specific molecules across the cell membrane.


Movement of substances from higher to lower concentration across a semipermeable membrane that must have a specific protein carrier but no energy expenditure is called?

Facilitated diffusion is the movement of substances from higher to lower concentration across a semipermeable membrane with the help of specific protein carriers, without requiring energy input.