Final answer:
A cell with a "clock-face" chromatin distribution and an eccentric nucleus is a plasma cell, which is involved in the immune system by producing antibodies.
Step-by-step explanation:
The type of cell described as having a "clock-face" chromatin distribution and an eccentric nucleus is characteristic of plasma cells. Plasma cells are a type of white blood cell that secretes antibodies and has a very distinctive appearance under the microscope. The "clock-face" refers to the pattern of heterochromatin inside the nucleus, with lighter areas where RNA is being transcribed. The nucleus is typically eccentric, meaning it is not centrally located within the cell.
These characteristics are not pertinent to mitosis or phases of the cell cycle, but rather to the specialized structure and function of plasma cells within the immune system. While the mention of binary fission pertains to prokaryotic cell division and does not directly relate to the eukaryotic plasma cells described, understanding the cell morphology is crucial for differentiating between various cell types and their functions.