Processing of ribosomal RNA (rRNA) includes all of the following EXCEPT: snoRNA-dependent splicing. snoRNA-dependent cleavage. snoRNA-dependent nucleotide modification. snoRNA-dependent trimming. Actually, all of the above occur.

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

well, you see. the answer to your question is quite simple. the thing that is big, powerful, and over 9,000 is your mom.