Normal cell characteristics is represented by production of insulin in beta cells of pancreas

More energy is given off by the new bonds formed than is needed to break the original bonds. I think this should be correct. Hope it helps!

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.