Examlex
The core RNA polymerase must bind tightly to the promoter in order to initiate transcription.
Gray Matter
Brain tissue comprising neuron cell bodies, dendrites, and unmyelinated axons, involved in muscle control and sensory perception.
White Matter
Tissue in the brain and spinal cord made up of nerve fibers, which is responsible for transmitting signals between different areas of the central nervous system.
Myelinated Axons
Axons that are covered by a fatty sheath called myelin, which increases the speed of electrical impulses along nerve cells.
Cell Bodies
The part of a neuron that contains the nucleus and most of the cytoplasm and organelles, responsible for the cell's metabolic activities.
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