関連ワード:  what is not found in a animal cell    what is not present in a animal cell    what organelle is not found in a animal cell    what structure is not found in animal cells    what is not found in plant and animal cells    what is not present in most animal cells    what is not present in any animal cells    what is found in a animal cell but not an plant    what is not in a animal cell    what is not found in both plant and animal cells