by counting the proportion of each type of yeastlike cell under the two conditions and with different cultivation periods , it appears that plasma membrane types change as aging progresses in the following order : type y1 , y2a , y3a , y4a , and y5 in conidia and type y1 , y2b , y3b , y4b , and y5 in yeastlike vegetative cells .
C0007603
plasma membrane
C0007634
cells