2.17.Xromosomalar - irsiyatning moddiy negizi. ....................................................................................60 2.18.Xramasomalarga tegishli masalalarning yechilishi. .........................................................................62 2.19.Hujayra markazi sentriolasiga tegishli masalalar tahlili. .................................................................65 3.1.Energiya almashinuvi .(ATF). ..............................................................................................................68 3.2.Energiya almashinuviga doir masalalar. .............................................................................................71