Which carbon based food is most readily used by the human body?

Human beings are a "carbon-based" life form. As we go about our lives, our supply of carbon diminishes and needs replacing. Carbon is, therefore, an essential component of the human diet. Luckily, the foods we consume make carbon readily available to us. Fruits, vegetables, grains,

well this is the info i hv for this question

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.