identify the following reactions as being endergonic or exergonic.
a)NAD+ accepts two electrons and a proton to become NADH
b) sucrose undergoes hydrolysis to form glucose and fructose
c) During cellular respiration,glucose and oxygen take part in reactions that yield carbon dioxide and water,and release energy.
d) Using the energy harvest from sunlight,water and carbon dioxide are converted to glucose and oxygen,during photosynrhesis.