関連ワード:  what is not in a animal cell    what is not found in a animal cell    what is not present in a animal cell    what organelle is not in a animal cell    what is in a animal cell but not plant    what is not present in most animal cells    what is not associated with animal cells    what is not part of animal cell    what is in a plant cell that's not in a animal cell    what structure is not found in animal cells