Examlex
Find the marginal revenue for producing x units.(The revenue is measured in dollars.)
Chemical Barrier
A chemical barrier refers to a method of protection, via substances that prevent or control the movement or activity of harmful organisms or chemicals.
Phagocytosis
The process by which certain living cells called phagocytes engulf or ingest other cells or particles, important for immune defense.
Chemical Barriers
Substances used to prevent or reduce the entry or growth of harmful organisms, as in contraception or infection control.
Cytotoxic T Cells
A type of white blood cell that plays a key role in the immune system by directly killing infected or cancerous cells.
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