Which organelle controls the passage of materials into and out of a cell?

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

Lymphatic vessels remove excess fluid from tissues. often after mammexront( the surgical procedure to remove of all or part of a breast) the lymphatic vessels draining the arm are damaged. explain a consequence of this damage. what can be done to reduce the symptoms?

Where can dna be found in a prokaryotic cell