In this task, you will be given sentences in which you have to recognize the name of the body cells. A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Although there might be several correct answers, you need to write one of them.

 Isolated X . laevis oocytes incubated in medium containing 25 microgram DNA / ml labeled with either 125I , 32P or 14C and from three different sources ( bovine , E . coli and X . laevis ) , incorporated the label at an average rate of 0 . 11 ng . mm - 2 . hr - 1 .
oocytes

 In agreement with previous results ( Fig . 4 ) , in mock - electroporated neurons , ephrin - A5 incubation reduced the BDNF - mediated up - regulation of c - fos ( Fig . 6A ) , Egr1 ( Fig . 6B ) , Egr2 ( Fig . 6C ) and Arc ( Fig . 6D ) mRNA .
neurons

 It may also play a pro - coagulant role by promoting the retention of fibrinogen and thrombospondin on the platelet surface .

platelet