Question

when cells in a chain remain partially attached by a hinge region at the ends and the cells fold back on each other forming a row of cells oriented side by side, it is described as a(n) blank arrangement.

Explanation:

This description refers to a specific cell - arrangement in biology. When cells in a chain have a hinge - like connection at the ends and fold to be side - by - side, it is a palisade arrangement in some bacterial or other cellular structures.

Answer:

palisade