In which case would facilitated diffusion be needed A with very small non polar particles moving down the concentration gradient

Drag each tile to the correct box. arrange the phases of mitosis in the correct order. 1 (condensation of chromosomes) 2 (separation of chromosomes) 3 (formation of spindle fibers) 4 (alignment of chromosomes in the center of the cell) 5 (pinching of the cell membrane)

Is there any solid scientific evidence that humans have been cloned?

How can an organ, such as the lungs, work for multiple body systems?