Individuals with a mutation in the gene for apolipoprotein b-100 produce very low levels of this protein, which is a component of ldl. how would accumulation of fat in the liver be affected and would this result in hypercholesterolemia or hypocholesterolemia?

By water evaporation from the leaves is created a negative pressure at the top of the tree that promotes the ascension  of the water through channels that are called xylem. there are also two molecule forces that are involved: the intra-water molecules cohesion (water molecules stick to each other) and the adhesion when the water molecules stick to the channels they are running in. this is what enables water to go from the roots to the top of a tall tree.