You are looking at a cell. it has a nucleus and is larger than the cells around it. it is mostly likely a cell

Eukaryotic cell is the answer for this cause a larger cellular structure exists in this context. Moreover this makes the cell more durable in the whole thing of gist.

So,

You are looking at a cell. It has a nucleus and is larger than the cells around it. It is "most" likely a eukaryotic cell

Atransverse wave (lowest wave) and a the transverse  wave's wavelength .