Answer:
Explanation:the optic nerve is a cable -like grouping of nerve fibers it connect and transmits visual information from the eye to the brain. In human eye it receives light signal from about 125million photoreceptor cells referred to as rods and cones through 2 intermediate neuron types , bipolar and amacrine cells.
The four major classes of biological macromolecules are carbohydrates, lipids, proteins, and nucleic acids.
Catabolic reactions are reactions that break larger molecules down into smaller molecules, and often result in the release of energy as a by product of the bonds being broken. In fact, metabolism (the breakdown of food) is a catabolic reaction.
So the best answer would be the Answer no.4:
A => B + C + Energy
Sucrose is made up of simple glucose and<span> fructose molecules. </span>