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Antigens work as bar-codes to help the immune system differentiate between body cells and pathogens. Normally the body will not attack its own cells, but is programmed to attack those with foreign antigens.

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What is the key difference in the functions of dendrites and axons in a neuron?

The key difference between dendrites and axons in a neuron is that dendrites receive signals from other neurons and transmit them towards the cell body, while axons transmit signals away from the cell body to other neurons or cells.


Which is a major difference between the cell membrane and the cell wall?

One major difference is that the cell membrane is a flexible barrier that surrounds the cell and regulates what enters and exits the cell, while the cell wall is a rigid structure located outside the cell membrane that provides structural support and protection to the cell.


If there was a foreign invader body in the cell what organelle would attackdestroy it?

Lysosomes would be responsible for attacking and digesting foreign invaders in the cell. They contain enzymes that break down and destroy foreign bodies, helping to protect the cell from potential harm.


What is the difference between a polar body and an egg cell?

A polar body is a small cell produced during the process of oogenesis, which is the formation of egg cells. It contains genetic material but does not have the ability to develop into an embryo. An egg cell, also known as an ovum, is a larger cell that contains genetic material and has the potential to be fertilized by a sperm cell to form an embryo.


What is the difference between the soma and the perikaryon?

The soma and perikaryon are both terms used to refer to the cell body of a neuron. The soma is the broader term that encompasses the entire cell body, including the nucleus and organelles, while the perikaryon specifically refers to the region of the cell body that surrounds the nucleus.

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