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# Biologists believe that they have found one of the

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VP
Joined: 07 Nov 2005
Posts: 1118
Location: India
Biologists believe that they have found one of the [#permalink]

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01 May 2006, 22:25
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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 embryoâ€™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

Explainations Plz.
SVP
Joined: 30 Mar 2006
Posts: 1728

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01 May 2006, 22:32
1
KUDOS
I think it is C.
One of the substances means we are dealing with singular subject hence tells.
The â€œandâ€
Director
Joined: 06 Feb 2006
Posts: 897

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01 May 2006, 23:51
I would choose D... For tells.... and parallelism....
Senior Manager
Joined: 09 Mar 2006
Posts: 444

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02 May 2006, 00:50
1
KUDOS
that refers to "substances", which is plural.
hence A or B. "both X and Y", hence only A left
Director
Joined: 06 Feb 2006
Posts: 897

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02 May 2006, 01:26
1
KUDOS
deowl wrote:
that refers to "substances", which is plural.
hence A or B. "both X and Y", hence only A left

We are talking about one of the many... so it is singular....
Manager
Joined: 04 Apr 2006
Posts: 60
Location: Land Of Opportunities

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02 May 2006, 01:36
1
KUDOS
buzzgaurav 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 embryoâ€™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

Explainations Plz.

Fixed between A and D; singular or plural. Choose D.
B/ E - wordy and awkward
C - not parallel
A - One ==> tells; subject verb agreement.
Senior Manager
Joined: 09 Mar 2006
Posts: 444

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02 May 2006, 01:49
No, that's not right. The sentence actually says:

...the substance [that they found] is one of those that tell individual genes ...

so "that" clearly refers to "substances", hence it is plural so
"tell" and not "tells" should be used
Director
Joined: 06 Feb 2006
Posts: 897

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02 May 2006, 05:59
deowl wrote:
No, that's not right. The sentence actually says:

...the substance [that they found] is one of those that tell individual genes ...

so "that" clearly refers to "substances", hence it is plural so
"tell" and not "tells" should be used

There is absolutely no indication to tell that the sentence says one of those substances.... Thus i stick to D

What is the OA?
VP
Joined: 29 Dec 2005
Posts: 1341

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02 May 2006, 06:15
SimaQ wrote:
deowl wrote:
No, that's not right. The sentence actually says:
...the substance [that they found] is one of those that tell individual genes ...
so "that" clearly refers to "substances", hence it is plural so
"tell" and not "tells" should be used

There is absolutely no indication to tell that the sentence says one of those substances.... Thus i stick to D
What is the OA?

it should be A. deowl has given a clear analysis of what "that" refers to.

that here is plural and need plural verb.

btw, deowl, which deowl you are?
Director
Joined: 17 Sep 2005
Posts: 903

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02 May 2006, 07:03
Professor wrote:
SimaQ wrote:
deowl wrote:
No, that's not right. The sentence actually says:
...the substance [that they found] is one of those that tell individual genes ...
so "that" clearly refers to "substances", hence it is plural so
"tell" and not "tells" should be used

There is absolutely no indication to tell that the sentence says one of those substances.... Thus i stick to D
What is the OA?

it should be A. deowl has given a clear analysis of what "that" refers to.

that here is plural and need plural verb.

btw, deowl, which deowl you are?

I also went with D but now if 'that' refers to 'substances' then A should be the right option.
However, I do not find it very clear that 'that' is modifying 'substances'.

How do I rephrase the same sentence if I want to modify 'one of the substances' ??

Regards,
Brajesh
Manager
Joined: 23 Mar 2006
Posts: 75

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02 May 2006, 08:42
1
KUDOS
Wow, confusing one. I think it is A, because that refers to a plural antecedent. Had it been singular, the author would have used 'which' .But am SO sure I would have marked D on the test!!!!!
VP
Joined: 07 Nov 2005
Posts: 1118
Location: India

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02 May 2006, 20:07
deowl wrote:
No, that's not right. The sentence actually says:

...the substance [that they found] is one of those that tell individual genes ...

so "that" clearly refers to "substances", hence it is plural so
"tell" and not "tells" should be used

OA is indeed A.
Also both should be accompanied with "and" not "or"
Current Student
Joined: 29 Jan 2005
Posts: 5218

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02 May 2006, 20:46
1
KUDOS
Late, but (A). The singular/parallel construction is tricky, so I used the idiom both X and Y to narrow the choices down to A.
Director
Joined: 17 Sep 2005
Posts: 903

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02 May 2006, 21:00
buzzgaurav wrote:
Also both should be accompanied with "and" not "or"

I think this is the key.

Regards,
Brajesh
VP
Joined: 29 Dec 2005
Posts: 1341

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02 May 2006, 21:21
GMATT73 wrote:
Late, but (A). The singular/parallel construction is tricky, so I used the idiom both X and Y to narrow the choices down to A.

matt,

you are late here is ok but donot be late for your matt.... if you are, it would too late to say late.
Intern
Joined: 19 Jun 2005
Posts: 31

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06 May 2006, 07:24
Director
Joined: 17 Sep 2005
Posts: 903

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07 May 2006, 20:05
avomc wrote:

A must read explanation by Paul.

Regards,
Brajesh
Manager
Joined: 27 May 2008
Posts: 141

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05 Jun 2008, 20:56
In C & D
Tells incorrectly modifies One
In E
it does not seem idiomatic and E seems a bit awkward
In B
they does not follow
Re: SC :Biologists   [#permalink] 05 Jun 2008, 20:56
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