What is the function of the plasma membrane?
Responses
It helps recognize other cells.
It helps filter waste inside the cell.
It contains hereditary material.
It helps plants maintain their shape.
The correct answer is: It helps recognize other cells.
Of these things in an environment, which one is a living thing?
Responses
soil (clay)
soil (clay)
air (wind)
air (wind)
fungus (mushroom)
fungus (mushroom)
water (river)
The correct answer is: fungus (mushroom)
What is the function of a nerve cell in a multicellular organism?
Responses
carry and transmit signals
carry and transmit signals
make and move protein
make and move protein
produce and manage movement
produce and manage movement
store and distribute oxygen
The correct answer is: carry and transmit signals
The correct answer is: It helps recognize other cells.
The plasma membrane, also known as the cell membrane, is a crucial component of all cells. Its main function is to control the movement of substances in and out of the cell, acting as a barrier between the cell and its external environment.
To determine the function of the plasma membrane, we need to understand its structure and properties. The plasma membrane is composed of a thin, bilayer of phospholipids, with proteins embedded within it. These proteins play a key role in recognizing and interacting with other cells.
When two cells come into contact with each other, the plasma membranes of the cells recognize each other through specific proteins on their surfaces. This recognition allows cells to communicate, adhere to each other, and engage in various cellular activities such as cell signaling, cell adhesion, and immune responses. The ability of the plasma membrane to recognize other cells is essential for many biological processes, including development, immune defense, and tissue formation.
To recap, the function of the plasma membrane is to recognize other cells through specific proteins on its surface. Understanding the structure and properties of the plasma membrane helps us determine its role in cell biology.