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SC 1000 question ¹ 179

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SC 1000 question ¹ 179 [#permalink]

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New post 23 May 2007, 05:12
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A
B
C
D
E

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179. 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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New post 23 May 2007, 05:20
179. 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
=> "tell" wrong

(B) tell individual genes both at which time they should become active or should remain => "tell" wrong e.g. one of the things that i will tell you is the correct use of verbs :)

(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 => "will tell" wrong tense


Between C & D

My Answer : C
cause : when to remain active or when to remain qu...in the ..
gives out the meaning that remaining active is not in the earliest phases of an embryo’s development
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New post 23 May 2007, 07:35
A

Actually, "tells" is wrong bcoz we have "one of SUBSTANCES (pl) that"
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New post 23 May 2007, 08:23
i tend to disagree !!

SUBSTANCES (pl) are not doing the action here
one of the substance is doing the action !!

what is the OA ??
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New post 23 May 2007, 09:35
I guess "substances" are doing the action , so we need "tell". In that case answer has to be A.
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New post 23 May 2007, 11:56
Best answer seems to be A

B is wordy, C and D are wrong because "" substances "' are doing the action here, and one of such substance is being talked about here.
E is wrong again because it kinda changes the meaning and structure of the sentence
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New post 23 May 2007, 23:44
OA is A
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New post 24 May 2007, 06:34
(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 - Idiom
(C) tells individual genes both when to become active or remain - Idiom
(D) tells individual genes both when to become active or when to remain - Idiom
(E) will tell an individual gene both about when it should become active and remain - Idiom


B, C, D & E - are eliminated 'coz they donot use the correct idiom.
It should be both X and Y

We are left with A

Hence A should be the answer.
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New post 24 May 2007, 13:37
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New post 30 May 2007, 12:27
179. 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


(A) and (D) are wrong because cannot remain active and quiescent at the same time. "And" is wrong
"One" of the substances must be singular and must use tells

(c) is correct
C   [#permalink] 30 May 2007, 12:27
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SC 1000 question ¹ 179

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