Read the following statements.
(a) The rise in the stimulus-induced permeability to Na⁺ into axolemma is extremely short-lived.
(b) The released neurotransmitters from axon bind to their specific receptors, present on the pre-synaptic membrane.
(c) The action potentials that generate in ganglion cells of eye are transmitted by the optic nerves to the visual cortex area of the brain.
(d) Nissl’s granules are loaded all along the length of axoplasm in axon.
In the above, the correct statements are