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What organelle is responsible for the synthesis of a new membrane material?
The endoplasmic reticulum (ER) is responsible for the synthesis of new membrane material in a cell. Lipids and proteins are produced by the ER and incorporated into the cell membrane to help with growth and repair.
What is the difference between a cell membrane and nucleus?
The cell membrane is a semi-permeable barrier that surrounds the cell and controls what enters and leaves the cell. The nucleus, on the other hand, is a membrane-bound organelle that contains the cell's genetic material (DNA) and is responsible for controlling the cell's activities, including growth and reproduction.
How does the the cell membrane help the cell grow?
The cell membrane plays a crucial role in cell growth by regulating the transport of nutrients and waste products in and out of the cell. It facilitates the uptake of essential nutrients needed for cellular metabolism and growth while also allowing waste to exit, maintaining homeostasis. Additionally, the fluid nature of the membrane allows for the incorporation of new materials, such as lipids and proteins, which are vital for membrane expansion as the cell grows. This dynamic process supports overall cellular function and development.
When does the plasma membrane increase in size?
The plasma membrane increases in size during cell growth and division, such as in the case of cell growth during development, or during cell division when new cells are formed. This increase in size allows the cell to maintain its integrity and function properly.
What Controls what moves in and out of the cell?
Cell membrane
Another name for plasma membrane?
A cell membrane is also known as a plasma membrane or cytoplasmic membrane. The cell membrane separates the interior of a cell from its outside environment. The main function of a cell membrane is to protect the cell from its surroundings.
What is the thin flexible membrane around all cells?
the cell membrane is as flexible barrier outside of the cell.
What controls the entering and leaving of a cell?
cell (plasma) membrane
Which contains the other cell membrane or phospholipid?
the cell membrane
Where do nutrients enter the cell?
Nutrients enter the cell through the cell membrane via the process of active or passive transport. They can diffuse across the membrane or be actively transported by protein channels or carriers. Once inside the cell, nutrients are used for various cellular processes such as energy production and growth.
Does Cell division solves the problem of cell growth by increasing cell volume?
No, cell division technically decreases cell volume. Cells aren't happy if the cytosol to cell membrane ratio is out of whack--as would occur if a cell were to grow too big. Many important cell processes are tethered to the membrane, and many reactions that occur in the cytosol require input signals from membrane-anchored proteins.
What is the outer boundary of a cheek cell called?
cell surface membrane cell surface membrane
