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unable to notice or respond to things that you would usually be aware of through your senses.
an enzyme that catalyses (speeds up) the hydrolysis (breaking) of a chemical bond.
special chemical molecules that transmit nerve impulses across a synapse.
hollow tubular vascular tissue cells, strengthened with lignin that conducts water and mineral...
when humans construct or alter the genome of an organism.
the formation of a relatively complex chemical compound from simpler substances.