Sunday, August 08, 2004


A peculiar feature of the embryonic mammalian circulatory system is that in the area of the heart the cells adhere to one another, beating in unison and adopting specialized orientations exclusive of one another.
(A) beating in unison and adopting
(B) they beat in unison while adopting
(C) beat in unison, and adopt
(D) beating in unison yet adopting
(E) even though they beat in unison and adopt

Here we need to have a contrast. The word and is incorrect in the underlined sentence and hence needs to be replaced with something like while/but/yet etc.


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2:38 AM  

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