The sensory input initiated from the spinal cord before reaching to the brain . The information firstly goes to first order neuron where it receives impulses from skin and then transferred to the spinal cord.
Some sensory pathways consists of chain of neuron that transfer from receptor organ then to cerebral cortex that is responsible the perception of sensations. Sensory input is converted into electrical signals are known as nerve impulse.
This nerve impulse are transmitted into into brain. The correct order is Receptors - Sensory neuron- Spinal cord - Motor neuron- Muscle.
Impulse are the strong desire to act or that causes something to happen or happen more quickly.
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The observers is based only on an experiment
In negative control, a gene is switched off when a regulatory protein binds to DNA and shuts down transcription.
Changes in groups of organisms over time produce variations in population. This relates to Both Macroevolution and Microevolution.
so the answer to this is C.
