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Biologists believe that they have found one of the

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Senior Manager
Joined: 04 Aug 2008
Posts: 369
Biologists believe that they have found one of the [#permalink]

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02 Dec 2008, 16:29
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Biologists believe that they have found one of the substances that tell individual genes both when to become active and when to remain quiescent in the earliest phases of an embryo’s development.

(A) tell individual genes both when to become active and when to remain
(B) tell individual genes both at which time they should become active or should remain
(C) tells individual genes both when to become active or remain
(D) tells individual genes both when to become active or when to remain
(E) will tell an individual gene both about when it should become active and remain

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Manager
Joined: 14 Oct 2008
Posts: 160

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02 Dec 2008, 16:42
IMO C.

(A) tell individual genes both when to become active and when to remain
(B) tell individual genes both at which time they should become active or should remain
(C) tells individual genes both when to become active or remain - Correct
(D) tells individual genes both when to become active or when to remain - redundunt
(E) will tell an individual gene both about when it should become active and remain - extreme

Thanks.
Director
Joined: 23 May 2008
Posts: 757

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02 Dec 2008, 16:56
gameCode wrote:
IMO C.

(A) tell individual genes both when to become active and when to remain
(B) tell individual genes both at which time they should become active or should remain
(C) tells individual genes both when to become active or remain - Correct
(D) tells individual genes both when to become active or when to remain - redundunt
(E) will tell an individual gene both about when it should become active and remain - extreme

Thanks.

C is incorrect because you cant use "both". Become active or remain quiet is one option. right?
Director
Joined: 12 Oct 2008
Posts: 508

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02 Dec 2008, 17:08
IMO D...since "one of the" is collective subject and therefore it should use tells instead of tell, also it maintain ||ism. what is the OA of this?
Director
Joined: 14 Aug 2007
Posts: 704

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02 Dec 2008, 20:05
spiridon wrote:
Biologists believe that they have found one of the substances that tell individual genes both when to become active and when to remain quiescent in the earliest phases of an embryo’s development.

(A) tell individual genes both when to become active and when to remain
(B) tell individual genes both at which time they should become active or should remain
(C) tells individual genes both when to become active or remain
(D) tells individual genes both when to become active or when to remain
(E) will tell an individual gene both about when it should become active and remain

Tricky Q.

I was about to choose D when I noticed "or" in D which is wrong
We should use "and" when we are talking about "both".

C is wrong for the same reason (+ violating parallelism)
B is wrong for the same reason as well ( + being awkward)

This leaves us to choose between A & E.

E is wrong because it violates parallelism

So A should be the correct answer by POE.
Director
Joined: 14 Aug 2007
Posts: 704

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02 Dec 2008, 20:08

http://www.bartelby.com/68/79/4279.html
Manager
Joined: 26 Nov 2008
Posts: 69

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03 Dec 2008, 15:19
spiridon wrote:
Biologists believe that they have found one of the substances that tell individual genes both when to become active and when to remain quiescent in the earliest phases of an embryo’s development.

(A) tell individual genes both when to become active and when to remain
(B) tell individual genes both at which time they should become active or should remain
(C) tells individual genes both when to become active or remain
(D) tells individual genes both when to become active or when to remain
(E) will tell an individual gene both about when it should become active and remain

My take-

Both X and Y is idiomatic ; X and Y must be parallel

--Eliminate B , C and D

In E, when it should become active AND remain are no way parallel

Hence , A

If you are not an idiom lover, Use subject verb agreement and come to options starting with "Tell" and look for parallelsim..your hunt must end in A or your hunting rules are doubtful

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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 Biologists   [#permalink] 03 Dec 2008, 15:19
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