Examlex
Genetic diversity in bacteria is created by mutation and ________.
Neurons
Basic cells of the nervous system that transmit electrical and chemical signals throughout the body.
Neurotransmitters
Chemicals in the nervous system that transmit signals across a synapse from one neuron to another.
Agonists
Substances that activate receptors to produce a biological response.
Genes
Units of heredity made up of DNA that are responsible for determining the characteristics and traits passed from parents to offspring.
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