Question

2 what organelle must be present for a cell to be classified as eukaryotic?
chloroplasts
ribosomes
chromosomes
nucleus

Explanation:

Eukaryotic cells are defined by having a true nucleus that houses their genetic material. Chloroplasts are for photosynthesis and not in all eukaryotes. Ribosomes are in both prokaryotes and eukaryotes. Chromosomes are present in the nucleus. The key - defining organelle for a eukaryotic cell is the nucleus.

Answer:

nucleus