Before the discovery of prions, many biologists would have agreed with the statement ‘’ It is a fact that no infectious organism or particle can exist that lacks nucleic acid (such as DNA or RNA) ``. What lessons do prions teach us about nature, science, and scientific inquiry?

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.

i won't lie i don't know so go online and ask google thats what i do

you know they are heterozygous for a trait because they have it as jj or jj.