Answer:
The form of energy entering the food chain is sunlight, which is being taken by plant to produce the glucose as their food energy.
C) DNA
Inside the nucleus, DNA and proteins together form chromosomes.
<span>The right answer is: they work by blocking sodium channels in the cell membrane.
These drugs are used systemic and not local.
</span>they block sodium channels in the cell membrane in the synapses between neurons, and not along axons.
Many drug acts by blocking sodium channel, in a specific location, like antiepileptics in the nervous system, and digoxin and antiarrhythmic in the heart.
