When using a light microscope to view a cell she obtained from scraping under her fingernails, ms. () notices that the cell lacks a nucleus; therefore, ms concludes that the cell must be a type of cell. *
1 point
a. animal
b. prokaryotic
c. eukaryotic
d. plant

The correct option is B. Prokaryotic

Explanation:

A prokaryotic cell can be defined as a cell which is unicellular and does not have any membrane-bound organelles present in it. Scientists claim that the earliest form of life was in the form of prokaryotic cells. The bacteria and archaea bacteria come under the category of prokaryotes.

The prokaryotic cell lack a nucleus. It's DNA material is present in a region called the nucleoid inside the cytoplasm of the cell.

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.