Seed oils are often dehydrogenated and added back into processed foods.The new fatty acids have an increased number of carbon-carbon double bonds.The dehydrogenation reaction could also be described as a/an __________ reaction.

When there is an excess of nutrients available in the human body, insulin is released to stimulate the synthesis of glycogen from glucose.This is a specific example of a/an __________ process, a general process in which larger molecules are made from smaller molecules.

A chemical reaction is defined as spontaneous if there is a net loss of free energy during the reaction process.However, spontaneous reactions do not always occur rapidly.Favorable biological reactions require __________ to selectively speed up reactions and meet the demands of the cell.