Explain how treadmilling contributes to actin-based motility in crawling cells. be specific in why both actin filament growth and shrinkage are necessary.

Sammi is studying the interaction of the digestive and circulatory systems in the human body. she has listed various processes that occur in each of the systems. put the processes in order to describe the interaction between these two systems. tiles nutrients diffuse through the villi of the small intestine.digestive processes break nutrients down in the mouth, stomach, and small intestine.blood is pumped through the circulatory system to deliver nutrients to other organs.nutrients are ingested at the mouth.nutrients enter the capillaries of the circulatory system. sequence

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?

In this picture, groups of pigment that capture light energy are located on the