Examlex
Monocot vascular bundles do not have a vascular cambium between the xylem and phloem.This means that _____.
Myelin sheath
A fatty layer that surrounds the axons of some nerve cells, serving to speed up electrical impulses.
Electrically charged atoms
Atoms that have either lost or gained electrons, resulting in a net positive or negative charge, respectively, known as ions.
Neurotransmitters
Chemical messengers in the body that transmit signals across a chemical synapse, from one neuron to another target neuron, muscle cell, or gland cell.
Axon
A long, thin part of a neuron that transmits impulses to other neurons through branching structures called axon terminals.
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