The answer would be white noise
I believe it is B i took this test last year.
Answer:
<em>RESERVOIR</em><em> </em><em>IS</em><em> </em><em>TECHNICAL</em><em> </em><em>NAME</em><em>.</em>
Solution
Cut open an onion.
Use forceps to peel a thin layer of epidermis from the inside.
Lay the layer of epidermis on a microscope slide.
Add a drop of iodine solution to the layer.
Carefully place a coverslip over the layer.
Observe it under a microscope to see onion cells.
Should be prophase because chromatin coils up, becoming shorter and thicker, thick enough to become visible when stained.