How would you know whether it was in metaphase i and metaphase ii

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins