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The cell membrane is a membrane separating the inside of the cell from the outside environment. This structure is also known as the plasma membrane or the cytoplasmic membrane.

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Which structure is in both plant cells and animal cells controls the passage of substances into and out of cells?

The cell membrane is the structure found in both plant and animal cells that controls the passage of substances into and out of cells. It is a selectively permeable barrier that regulates the movement of molecules such as nutrients, ions, and waste products.


Is a large oval structure that directs all of the cells activity?

The NUCLEUS is a large oval structure that directs all of the cells activities.


What is the boundary surrounding all cells?

The cell membrane is the boundary surrounding all cells. It is a selectively permeable barrier that regulates the passage of molecules in and out of the cell.


How are biological membranes held together and what is the significance of this mechanism in maintaining cellular structure and function?

Biological membranes are held together by a combination of hydrophobic interactions, hydrogen bonding, and electrostatic forces between the lipid molecules that make up the membrane. This mechanism is crucial in maintaining cellular structure and function because it creates a selectively permeable barrier that regulates the passage of molecules in and out of the cell. This allows cells to maintain internal conditions necessary for survival and to communicate with their environment.


What is a cell wall like?

A cell wall is a rigid structure found in plant cells, fungi, and some bacteria that provides support and protection. It is made up of cellulose in plants and chitin in fungi, giving it strength and allowing it to maintain the shape of the cell. The cell wall also regulates the passage of molecules in and out of the cell.

Related Questions

Which structure is in both plant cells and animal cells controls the passage of substances into and out of cells?

The cell membrane is the structure found in both plant and animal cells that controls the passage of substances into and out of cells. It is a selectively permeable barrier that regulates the movement of molecules such as nutrients, ions, and waste products.


What does the paramecium and cheek cells have in common?

Both paramecium (a unicellular organism) and cheek cells (a type of animal cell) are eukaryotic cells. They both have a nucleus that contains genetic material, along with various organelles involved in cellular functions. Additionally, both cells have a cell membrane that helps maintain their structure and regulates the passage of molecules.


Is a large oval structure that directs all of the cells activity?

The NUCLEUS is a large oval structure that directs all of the cells activities.


What is the boundary surrounding all cells?

The cell membrane is the boundary surrounding all cells. It is a selectively permeable barrier that regulates the passage of molecules in and out of the cell.


What is the cell structure that would prevent a cells from rupturing?

The cell membrane is the structure that prevents a cell from rupturing. It acts as a barrier that regulates the passage of molecules in and out of the cell, maintaining its internal environment. The cell membrane is made up of a phospholipid bilayer with embedded proteins that provide structural support and control the movement of substances.


What is the function of passage cells in the endodermis of root?

Passage cells in the endodermis of roots help in the radial transport of water and nutrients by facilitating the movement of substances across the endodermal layer. They are involved in regulating the passage of ions and molecules into the stele of the root.


What allows the passage of small molecules between animal cells?

Gap junctions allow the passage of small molecules and ions between animal cells. They consist of protein channels that connect the cytoplasm of adjacent cells, facilitating communication and the exchange of signaling molecules.


What function of the cell membrane in all cells?

Maintains the shape of the cell and regulates the passage of what substances go in and out of the cell


How are biological membranes held together and what is the significance of this mechanism in maintaining cellular structure and function?

Biological membranes are held together by a combination of hydrophobic interactions, hydrogen bonding, and electrostatic forces between the lipid molecules that make up the membrane. This mechanism is crucial in maintaining cellular structure and function because it creates a selectively permeable barrier that regulates the passage of molecules in and out of the cell. This allows cells to maintain internal conditions necessary for survival and to communicate with their environment.


Why is the structure of a phospholipid so important to the cell?

The structure of a phospholipid, with hydrophilic heads and hydrophobic tails, allows them to form lipid bilayers that make up cell membranes. This structure provides a selective barrier that regulates the passage of substances in and out of the cell, ensuring cellular integrity and function.


What is a cell wall like?

A cell wall is a rigid structure found in plant cells, fungi, and some bacteria that provides support and protection. It is made up of cellulose in plants and chitin in fungi, giving it strength and allowing it to maintain the shape of the cell. The cell wall also regulates the passage of molecules in and out of the cell.


Which organelle is the boundary that regulates what comes in and out of the cells?

The cell membrane is the boundary that regulates what comes in and out of the cell. It is a selectively permeable barrier that controls the flow of molecules in and out of the cell to maintain homeostasis.