Examlex
Identify and describe the two processes that ensure the genetic uniqueness of each human gamete cell.
Axons
Long, threadlike parts of nerve cells which transmit electrical impulses away from the neuron's cell body.
Myelin
A fatty substance that surrounds and insulates the axons of nerve cells, speeding up the transmission of electrical signals in the nervous system.
Antagonist
A substance that blocks or dampens a biological response by binding to and blocking a receptor rather than activating it.
Neurotransmitter
Compounds responsible for transmitting signals between neurons through synapses within the nervous system.
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