What is the cell that is both present in Humoral immunity & Cell mediated Immunity ?

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

A(n) is a molecule influences the way that a molecule reacts.