In this task, you are given a sentence. You are expected to write the name of the organism substances in the body mentioned in the input. Although there might be several correct answers, you need to write one of them.

[Q]:  No . of samples assayed 18 22 22 70
[A]: samples


[Q]:  Lower peak blood ethanol concentrations after 1 and 2 g of ethanol per kg were found in pregnant rats than in virgin females .
[A]: blood


[Q]:  At 48 h post - transfection , cell lysates were prepared using 100 mul per well of lysis buffer ( 1 % Triton X - 100 , 1 mm dithiothreitol , 92 . 8 mm K2HPO4 , pH 7 . 8 , 9 . 2 mm KH2PO4 , pH 7 . 8 ) and centrifuged for 5 min at 4 degreesC .
[A]:
cell lysates


