Examlex
Which of the following has the most metallic character?
Epigenetic Mark
Chemical modifications to the DNA or surrounding proteins that affect gene expression without changing the DNA sequence and can be influenced by environmental factors.
Synapse
The junction between two neurons, facilitating the transmission of electrical or chemical signals from one neuron to the other.
Neurotransmitter
A chemical substance that transmits signals across a synapse between neurons in the nervous system.
Genome
The complete set of DNA, including all of its genes, in an organism or cell.
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