Individual human cells, such as heart muscle cells and neurons, can survive on their own in laboratory conditions for some time. Which of the following processes helps these cells to survive under these conditions?Group of answer choicesPhagocytosis of bacteria and viruses to protect the cell from attackMaintenance of a constant internal environment by the cellular machineryReceiving hormonal signals to regulate cell functionsMovement of the cell to find other cells to reconstitute their original tissue
Question
Individual human cells, such as heart muscle cells and neurons, can survive on their own in laboratory conditions for some time. Which of the following processes helps these cells to survive under these conditions?Group of answer choicesPhagocytosis of bacteria and viruses to protect the cell from attackMaintenance of a constant internal environment by the cellular machineryReceiving hormonal signals to regulate cell functionsMovement of the cell to find other cells to reconstitute their original tissue
Solution
The process that helps these cells to survive under laboratory conditions is the maintenance of a constant internal environment by the cellular machinery. This process is also known as homeostasis. It allows cells to maintain a stable environment, which is crucial for their survival, even when external conditions change. This includes regulating the concentration of water, ions, and nutrients, maintaining temperature and pH balance, and removing waste products. Without this ability, cells would not be able to function properly and would eventually die.
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