What key element is no longer produced if algae is removed from the ecosphere?

answer; ///the correct answer to the above statement is (cytoskeleton);

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.