Tom bought a board that was 7/8 of a yard long. He
cut off 1/2 of a yard. How
much was left?

31.5 inches

Step-by-step explanation:

i apologize if i'm wrong

Eukaryotic cells have:

1. A membrane bound nucleus where the genetic material is organized

2. complex cells such as chloroplasts, endoplasmic reticulum, mitochondria, etc).

3. share some characteristics with prokaryotic cells such as has a plasma membrane, cytoplasm, and ribosomes.

So, in conclusion eukaryotic cells are defined by the presence of a nucleus surrounded by a complex nuclear membrane containing membrane-bound organelles in the cytoplasm.