action or process of mutating. Change that changes genetic structure.

Act of returning something to a store. To sell one currency to get another.

possession of means or skill to do something.

unexpected or casual meeting. Chance meetings; unexpected or unplanned meetings. To meet someone or something unexpectedly.

organ or cell able to respond to light, heat, or other external stimulus. A nerve ending that changes stimuli into impulses.

sudden burst of light. Showing some things very quickly and briefly. To show something very quickly and briefly.

location of someone or something. To put in a particular location or direction.

Act of adding something; thing that is added.

Being the inside part of a building, car etc.. Remote central area of a continent.

Outside covering of a cell.

finally.

Someone who delivers things, e.g. by motor bike. send document or package by messenger.

arrangement of and relations between parts or elements of something complex. The ways some things are built, arranged or organized. To make or build with an organized framework.

several organized or specialized structures within living cell. Subpart of a cell with a specific function.

situated on or near outside. Beyond the limits or edges of some place, thing. Area around or near something, such as a building. Beyond the limits or edges of some place, thing.