What part of the spinal cord carries motor information from the brain?

Which experiment would most likely contain experimental bias

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above