Question

the nucleus does not ............
answer

• determine the structural and functional characteristics of the cell
• direct processes that take place in the cytosol
• exist in mature red blood cells
• store all the information for the synthesis of many different proteins
• i dont know yet

Explanation:

Mature red blood cells (erythrocytes) in mammals lack a nucleus. The nucleus determines cell structure/function, directs cytosolic processes via gene expression, and stores protein - synthesis information. So the nucleus does not exist in mature red blood cells.

Answer:

C. exist in mature red blood cells