Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

Cells with delimited are called
eukaryotic . Organisms composed
of or more eukaryotic are
called eukaryotes.

mains elements of nucleus are
the (made of DNA
), the nucleolus, the
, or nucleoplasm,and the
membrane (or karyotheca).