Examlex
What are the DNA regulatory sequences recognized by RNA polymerase called?
Viruses
Microscopic infectious agents that can only reproduce inside living cells, causing a range of diseases in humans, animals, and plants.
Lymphocytes
The white blood cells—including B cells and T cells—that are the key components of the immune system.
Antibodies
Proteins produced by the immune system to neutralize or destroy pathogens such as bacteria and viruses.
T-Cells
T-Cells are a type of white blood cell that play a critical role in the immune system, helping to protect the body from infection and disease.
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