Examlex
_____ concepts are defined by general characteristics.
Neurotransmitters
Chemical messengers that transmit signals across a chemical synapse, such as between neurons or from neurons to muscles.
Human Genome
The complete set of nucleic acid sequences for humans, encoded as DNA within the 23 chromosome pairs in cell nuclei and in a small DNA molecule found within individual mitochondria.
Gene Expression
The process by which the information encoded in a gene is used to direct the assembly of a protein molecule.
Epigenetic Marks
Biological modifications to DNA and histones that influence gene expression without altering the DNA sequence.
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