This is a final question uwu

a cell membrane is made of phospholipids and is selectively permeable, or semipermeable. which major theme in biology does this statement represent?

a) dna transcribes into rna, and rna translates into proteins

b)structure relates to function

c)all living things require an energy source

d)all organisms share seven basic characteristics

B)Structure relates to function.

Explanation:

I know I might be late but for who ever needs the answer later.

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.