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V08-12

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In a recently conducted study, Harvard Scientists have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, not only as promoting the development of new nerves and synapses in the hippocampus of the adult brain, but also preserving existing brain cells.

A. In a recently conducted study, Harvard Scientists have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, not only as promoting the development of new nerves and synapses in the hippocampus of the adult brain, but also preserving existing brain cells.
B. In a recently conducted study by Harvard Scientists, a molecule PGC-1 alpha FNDC5, a protein enhancing the expression of brain-health, not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells.
C. In a recently conducted study by Harvard Scientists, the researchers have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, saying that it not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells.
D. Linking a molecule PGC-1 alpha to FNDC5, a protein that enhances the expression of brain-health, Harvard Scientists claim that the factor not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells in a recently conducted study.
E. In a recently conducted study by Harvard Scientists, which linked a molecule PGC-1 alpha to FNDC5, a protein enhancing the expression of brain-health, it not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells
[Reveal] Spoiler: OA

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Re V08-12 [#permalink]

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New post 04 Aug 2015, 07:39
Official Solution:

In a recently conducted study, Harvard Scientists have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, not only as promoting the development of new nerves and synapses in the hippocampus of the adult brain, but also preserving existing brain cells.

A. In a recently conducted study, Harvard Scientists have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, not only as promoting the development of new nerves and synapses in the hippocampus of the adult brain, but also preserving existing brain cells.
B. In a recently conducted study by Harvard Scientists, a molecule PGC-1 alpha FNDC5, a protein enhancing the expression of brain-health, not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells.
C. In a recently conducted study by Harvard Scientists, the researchers have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, saying that it not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells.
D. Linking a molecule PGC-1 alpha to FNDC5, a protein that enhances the expression of brain-health, Harvard Scientists claim that the factor not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells in a recently conducted study.
E. In a recently conducted study by Harvard Scientists, which linked a molecule PGC-1 alpha to FNDC5, a protein enhancing the expression of brain-health, it not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells


A. not only as promoting, but also preserving -- unparallel

B. distorted meaning; It looks as if the molecules promotes something in a study

C. Correct Choice

D. “preserves existing brain cells in a recently conducted study" means that the preservation was done in a study and not outside

E. It is not clear what is the referent for the pronoun ‘it’; it may refer to study or the molecule


Answer: C
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Re: V08-12 [#permalink]

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New post 29 Dec 2015, 08:26
In choice C is use of word "saying" correct :?

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Re: V08-12 [#permalink]

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New post 03 May 2016, 16:22
souvik101990 wrote:
Official Solution:

In a recently conducted study, Harvard Scientists have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, not only as promoting the development of new nerves and synapses in the hippocampus of the adult brain, but also preserving existing brain cells.

A. In a recently conducted study, Harvard Scientists have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, not only as promoting the development of new nerves and synapses in the hippocampus of the adult brain, but also preserving existing brain cells.
B. In a recently conducted study by Harvard Scientists, a molecule PGC-1 alpha FNDC5, a protein enhancing the expression of brain-health, not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells.
C. In a recently conducted study by Harvard Scientists, the researchers have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, saying that it not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells.
D. Linking a molecule PGC-1 alpha to FNDC5, a protein that enhances the expression of brain-health, Harvard Scientists claim that the factor not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells in a recently conducted study.
E. In a recently conducted study by Harvard Scientists, which linked a molecule PGC-1 alpha to FNDC5, a protein enhancing the expression of brain-health, it not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells


A. not only as promoting, but also preserving -- unparallel

B. distorted meaning; It looks as if the molecules promotes something in a study

C. Correct Choice

D. “preserves existing brain cells in a recently conducted study" means that the preservation was done in a study and not outside

E. It is not clear what is the referent for the pronoun ‘it’; it may refer to study or the molecule


Answer: C


Doesn't C has a pronoun error? (It) can reefer to protein or molecule. Right?

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Re: V08-12 [#permalink]

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rachitshah wrote:
souvik101990 wrote:
Official Solution:

In a recently conducted study, Harvard Scientists have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, not only as promoting the development of new nerves and synapses in the hippocampus of the adult brain, but also preserving existing brain cells.

A. In a recently conducted study, Harvard Scientists have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, not only as promoting the development of new nerves and synapses in the hippocampus of the adult brain, but also preserving existing brain cells.
B. In a recently conducted study by Harvard Scientists, a molecule PGC-1 alpha FNDC5, a protein enhancing the expression of brain-health, not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells.
C. In a recently conducted study by Harvard Scientists, the researchers have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, saying that it not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells.
D. Linking a molecule PGC-1 alpha to FNDC5, a protein that enhances the expression of brain-health, Harvard Scientists claim that the factor not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells in a recently conducted study.
E. In a recently conducted study by Harvard Scientists, which linked a molecule PGC-1 alpha to FNDC5, a protein enhancing the expression of brain-health, it not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells


A. not only as promoting, but also preserving -- unparallel

B. distorted meaning; It looks as if the molecules promotes something in a study

C. Correct Choice

D. “preserves existing brain cells in a recently conducted study" means that the preservation was done in a study and not outside

E. It is not clear what is the referent for the pronoun ‘it’; it may refer to study or the molecule


Answer: C


Doesn't C has a pronoun error? (It) can reefer to protein or molecule. Right?


GMAT actually allows slight pronoun ambiguity such as this one: When a pronoun is a subject of a clause, it would refer to the subject of another clause by virtue of parallelism, although there could be more than one possible antecedents.

In option C, "it" is a subject of a clause and hence refers to "protein" ("that"), which is the subject of another clause - "molecule" is an object.

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Re: V08-12 [#permalink]

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New post 23 Jun 2016, 23:21
sayantanc2k, is in choice C the placement of "saying" correct? It shouldn't modify the precedent clause, but the one with scientists.

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Re: V08-12 [#permalink]

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New post 25 Jun 2016, 15:21
The placement of "saying" is correct, since a verb terminating in "ING" can be used after the comma, since it works as a connector. The concern with this phrase is terminology, would it be better to use "Assuming" instead of "Saying"? it's very common use to use "Saying" don't you agree?

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Re: V08-12 [#permalink]

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New post 26 Jun 2016, 08:19
Avigano wrote:
The placement of "saying" is correct, since a verb terminating in "ING" can be used after the comma, since it works as a connector. The concern with this phrase is terminology, would it be better to use "Assuming" instead of "Saying"? it's very common use to use "Saying" don't you agree?

Indeed, it can be used as a connector, but when it's placed after the comma, it modifies the preceding clause, and thus the noun there, which doesn't make sense (=referring to proteins). As far as I understand the sentence, it should be scientists who linked bla bla bla, and saying [the rest of the sentence]

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New post 29 Jun 2016, 13:27
manlog wrote:
sayantanc2k, is in choice C the placement of "saying" correct? It shouldn't modify the precedent clause, but the one with scientists.


A present participle modifier "verb+ing" may refer to either the whole preceding clause or just the subject of preceding clause. Thus the usage of "saying" is alright here. It refers to the subject ("the researchers") of the preceding clause (" the researchers have linked a molecule......of brain-health"). Also note that " a protein that enhances the expression of brain-health" is not a clause but a phrase nested WITHIN the preceding clause, and thus "saying" does not refer to "protein".

Also note that the latter usage is an exception of the modifier touch rule. Verb-ing modifier does not need to touch the noun it refers to in these cases ( i.e. when it is used to refer to the subject of the preceding clause).

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Re: V08-12 [#permalink]

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Avigano wrote:
The placement of "saying" is correct, since a verb terminating in "ING" can be used after the comma, since it works as a connector. The concern with this phrase is terminology, would it be better to use "Assuming" instead of "Saying"? it's very common use to use "Saying" don't you agree?


The meaning is alright even with "saying". The scientists linked linked a molecule to PGC-1 alpha FNDC5. They also said that.....

The meaning what you are pointing at is also valid but different from what the author wants to convey.

The fact "that it not only promotes the development of new nerves..." has been said by the researchers; they may have assumed it or proved it. Therefore "saying" is not an issue here.

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Re: V08-12 [#permalink]

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New post 05 Jul 2016, 19:11
Is option A not parallel because it says "not only as promoting, but also preserving" istead of "not only as promoting, but also as preserving"? Or am I missing something else?

Thank you!

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toby001 wrote:
Is option A not parallel because it says "not only as promoting, but also preserving" istead of "not only as promoting, but also as preserving"? Or am I missing something else?

Thank you!


Yes that is one reason. Moreover "enhances as" is a wrong idiom - thus even if "as" is included before "preserving", the sentence would be wrong. However, if "by" is used instead of "as" before "promoting" and " preserving", the sentence would be correct:

In a recently conducted study, Harvard Scientists have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, not only as BY promoting the development of new nerves and synapses in the hippocampus of the adult brain, but also BY preserving existing brain cells.

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Re: V08-12 [#permalink]

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New post 08 Jul 2016, 09:20
sayantanc2k wrote:
toby001 wrote:
Is option A not parallel because it says "not only as promoting, but also preserving" istead of "not only as promoting, but also as preserving"? Or am I missing something else?

Thank you!


Yes that is one reason. Moreover "enhances as" is a wrong idiom - thus even if "as" is included before "preserving", the sentence would be wrong. However, if "by" is used instead of "as" before "promoting" and " preserving", the sentence would be correct:

In a recently conducted study, Harvard Scientists have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, not only as BY promoting the development of new nerves and synapses in the hippocampus of the adult brain, but also BY preserving existing brain cells.





Thanks a lot!

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I think this is a high-quality question and the explanation isn't clear enough, please elaborate.

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Larghetto wrote:
I think this is a high-quality question and the explanation isn't clear enough, please elaborate.


If you could post what specifically your query is, then we may discuss fruitfully on the same.

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Re: V08-12 [#permalink]

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WOW! This question is excruciatingly Long!! Anyways, here is the best solution. Better than the one provided..


In a recently conducted study, Harvard Scientists have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, not only as promoting the development of new nerves and synapses in the hippocampus of the adult brain, but also preserving existing brain cells.


A. In a recently conducted study, Harvard Scientists have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, not only as promoting the development of new nerves and synapses in the hippocampus of the adult brain, but also preserving existing brain cells.

As mentioned, this is a Parallelism Error. The fact that this is the only option with // error makes this question a long one..

B. In a recently conducted study by Harvard Scientists, a molecule PGC-1 alpha FNDC5, a protein enhancing the expression of brain-health, not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells.

Drastic Change in Meaning. In Original Sentence, Scientists LINK a Molecule to PGC-1 alpha FNDC5 and that linked molecule is supposed to perform the functions in not only x, but also y clauses rather than PGC-1 alpha FNDC5 as described in this Option.

C. In a recently conducted study by Harvard Scientists, the researchers have linked a molecule to PGC-1 alpha FNDC5, a protein that enhances the expression of brain-health, saying that it not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells.

Hmm. An ambiguous it. Can be wrong. Can also be right because GMAT has been inconsistent on such errors. Keep it until a better option pops up.

D. Linking a molecule PGC-1 alpha to FNDC5, a protein that enhances the expression of brain-health, Harvard Scientists claim that the factor not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells in a recently conducted study.

The word to is definitely misplaced. Scientists linked some molecule to PGC-1 alpha FNDC5 and did not link PGC-1 alpha molecule to FNDC5. Moreover, as mentioned in OE, the placement of in a recently conducted study changes the meaning.

E. In a recently conducted study by Harvard Scientists, which linked a molecule PGC-1 alpha to FNDC5, a protein enhancing the expression of brain-health, it not only promotes the development of new nerves and synapses in the hippocampus of the adult brain, but also preserves existing brain cells

to - Same issue as option D. Moreover, this option does not really make any sense because there is No Main Verb.
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Isn't option E wrong due to another reason that "which" incorrectly modifies Scientists?

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Re: V08-12   [#permalink] 28 Oct 2017, 14:33
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