Awon ahamo eukarioti (awon ahamo ti won ni koroonu) ni kromosomu onigbooro titobi nigbati awon ahamo prokarioti (awon ahamo ti ko ni koroonu) ni kromosomu oloobiripo kekere, botilejipe awon isati si ofin yii wa.. 
Àkójọ Fítọ́tọ́ (Atomic Mass) (Ma) ní àkójọ of a speọ̀dọ́bìnrin isotopu pato kan, tó sábà jẹ́ kí kí ẹyọ àkójọ àkójọtọ́.. 