when the need for nadph is greater than the need for ribose 5-phosphate gluconeogenesis is inhibited to block the production of more glucose 6-phosphate to reduce ribulose 5-phosphate production.

mass and weight are closely related because mass affects the weight of an object experiencing the effects of gravity. weight is the measure of the force of gravity on an objects's mass, while mass is the measure of how much matter there is in an object.