Societal risk and benefits of Ethylene pls help me

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

In which area of the neuron is an action potential initially generated?

After a signal is transmitted from the eyes through the optic nerve, which part of the brain processes the visual information? a. the limbic lobe b. the occipital lobe c. the frontal lobe d. the temporal lobe