The picture above shows onion root cells in various stages of mitosis. The arrow is pointing to a cell in -

Anaphase.

Explanation:

You can see the separation happening. This is anaphase.

Hope this is correct, good luck on your studies.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.