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A peculiar feature of the embryonic mammalian circulatory

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A peculiar feature of the embryonic mammalian circulatory  [#permalink]

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New post 05 Nov 2008, 07:51
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A
B
C
D
E

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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



Please explain your answer.
Best regards,

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Re: SC: Try this one  [#permalink]

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New post 05 Nov 2008, 08:41
tarek99 wrote:
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

Please explain your answer.
Best regards,

I'm going for C. Explanation: parallelism. adhere ... beat ... adopt.
A,B,D eliminated for no parallelism (all use gerunds), and E contradicts the flow of the sentence
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Re: SC: Try this one  [#permalink]

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New post 05 Nov 2008, 09:31
D explains contradiction correctly. So I will go with D
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Re: SC: Try this one  [#permalink]

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New post 05 Nov 2008, 09:55
Another D.

The original sentence uses participle phrase, hence retain this. But, "and" in the participle phrase is awkward as the two participles before and after "and" contradict each other. Hence, "yet" is preferred,
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Re: SC: Try this one  [#permalink]

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New post 05 Nov 2008, 11:25
Requires contrast showing - beating in unison yet adopting

(A) beating in unison and adopting [requires contrast]

(B) they beat in unison while adopting [ beat and adopting – not parallel]

(C) beat in unison, and adopt [requires contrast]

(D) beating in unison yet adopting [Hold]

(E) even though they beat in unison and adopt [requires contrast]

D!
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Re: SC: Try this one  [#permalink]

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New post 05 Nov 2008, 12:32
B and E can easily be eliminated for ambiguous pronoun usage. Also usage of present participle is required hence C can also be eliminated. Between A and D for the sake of contrast I will go for D.

IMO D
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Re: SC: Try this one  [#permalink]

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New post 05 Nov 2008, 12:45
Its a peculiar feature and they are beating in unison. One would expect them to have similar features. because these cells are peculiar they adopt different orientations

yet shows the contrast clearly. D
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Re: SC: Try this one  [#permalink]

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New post 07 Nov 2008, 05:58
OA is D

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

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Re: SC: Try this one &nbs [#permalink] 07 Nov 2008, 05:58
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