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Before scientists learned how to make a synthetic growth

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Before scientists learned how to make a synthetic growth [#permalink] New post 11 May 2008, 19:28
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A
B
C
D
E

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100% (01:23) correct 0% (00:00) wrong based on 2 sessions
11. Before scientists learned how to make a synthetic growth hormone, removing it painstakingly in small amounts from the pituitary glands of human cadavers.
A. scientists learned how to make a synthetic growth hormone, removing it painstakingly
B. scientists had learned about making a synthetic growth hormone, they had to remove it painstakingly
C. scientist learned how to synthesize the growth hormone, it had to be painstakingly removed
D. learning how to make a synthetic growth hormone, scientists had to remove it painstakingly
E. Learning how to synthesize the growth hormone, it have to be painstakingly removed by scientists
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Re: SC. hormone [#permalink] New post 11 May 2008, 19:39
sondenso wrote:
11. Before scientists learned how to make a synthetic growth hormone, removing it painstakingly in small amounts from the pituitary glands of human cadavers.
A. scientists learned how to make a synthetic growth hormone, removing it painstakingly
B. scientists had learned about making a synthetic growth hormone, they had to remove it painstakingly
C. scientist learned how to synthesize the growth hormone, it had to be painstakingly removed
D. learning how to make a synthetic growth hormone, scientists had to remove it painstakingly
E. Learning how to synthesize the growth hormone, it have to be painstakingly removed by scientists


C ?
correct use of tense and "it" clearly refers to growth hormone
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Re: SC. hormone [#permalink] New post 11 May 2008, 22:41
B for correct tense and retention of meaning.
sondenso wrote:
11. Before scientists learned how to make a synthetic growth hormone, removing it painstakingly in small amounts from the pituitary glands of human cadavers.
A. scientists learned how to make a synthetic growth hormone, removing it painstakingly
B. scientists had learned about making a synthetic growth hormone, they had to remove it painstakingly
C. scientist learned how to synthesize the growth hormone, it had to be painstakingly removed
D. learning how to make a synthetic growth hormone, scientists had to remove it painstakingly
E. Learning how to synthesize the growth hormone, it have to be painstakingly removed by scientists
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Re: SC. hormone [#permalink] New post 12 May 2008, 01:04
sondenso wrote:
11. Before scientists learned how to make a synthetic growth hormone, removing it painstakingly in small amounts from the pituitary glands of human cadavers.
A. scientists learned how to make a synthetic growth hormone, removing it painstakingly
B. scientists had learned about making a synthetic growth hormone, they had to remove it painstakingly
C. scientist learned how to synthesize the growth hormone, it had to be painstakingly removed
D. learning how to make a synthetic growth hormone, scientists had to remove it painstakingly
E. Learning how to synthesize the growth hormone, it have to be painstakingly removed by scientists

i have a doubt..is the term 'had learned' correct?shouldn't it be just 'learned'.m confused.
actually i was goin wid D for the above reason.
cud u pls explain?
thx
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Re: SC. hormone [#permalink] New post 12 May 2008, 01:07
prateek - I may be totally wrong ... please wait for the OA.
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Re: SC. hormone [#permalink] New post 12 May 2008, 01:14
prateek11587 wrote:
i have a doubt..is the term 'had learned' correct?shouldn't it be just 'learned'.m confused


Yeah, That is reasoning I use to eliminate B. Fortunately, GmatPrep says B is not OA :lol:
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Re: SC. hormone [#permalink] New post 12 May 2008, 11:27
C sounds the best. and tense in the right sense.

D modifies the meaning -> it says before the scientists learn how to make the growth hormone, they need to take it out from the human dead body.. this is wrong..
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Re: SC. hormone [#permalink] New post 12 May 2008, 11:41
D.
I don't think it changed the meaning of the original sentence.
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Re: SC. hormone [#permalink] New post 12 May 2008, 16:23
On my second attempt - D looks pretty good.

C changes the meaning.

sondenso wrote:
11. Before scientists learned how to make a synthetic growth hormone, removing it painstakingly in small amounts from the pituitary glands of human cadavers.
A. scientists learned how to make a synthetic growth hormone, removing it painstakingly
B. scientists had learned about making a synthetic growth hormone, they had to remove it painstakingly
C. scientist learned how to synthesize the growth hormone, it had to be painstakingly removed
D. learning how to make a synthetic growth hormone, scientists had to remove it painstakingly
E. Learning how to synthesize the growth hormone, it have to be painstakingly removed by scientists
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Re: SC. hormone [#permalink] New post 12 May 2008, 16:57
It seems that GmatPrep is more than difficult and tricky! D is not OA :lol:
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Re: SC. hormone [#permalink] New post 12 May 2008, 17:05
In that case it is C.

I think the key is to try to "decrypt" what the sentence implies.

What I thought they implied was
To create synthetic growth hormone , scientists needed to extract it from the pitutary gland.

But what the sentence really means is that :
Scientists are able to create synthetic growth hormone now. But earlier the growth hormone had to be extracted out of pitutary gland because creation of synthetic growth hormone was not possible. Hence it makes sense to remove scientists out of picture completely and use passive voice for the extraction.
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Re: SC. hormone [#permalink] New post 01 Jun 2008, 17:28
Oh, sorry, i still not confirm the OA

OA is C :-D
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Re: SC. hormone [#permalink] New post 02 Jun 2008, 01:43
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Tough one, but C.

1. 'to make a synthetic growth hormone' vs 'to synthesize the growth hormone'
1.1. the second option is more concise.
1.2. 'it' at the underlined part of the sentence refers to 'the growth hormone', not to 'a synthetic growth hormone'

So, C and E remains

E is passive and the use of 'have' is incorrect.

Guys, why is 'scientist' correct in C? I thought that 'a scientist' should be.
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Re: SC. hormone [#permalink] New post 02 Jun 2008, 02:46
walker wrote:
Guys, why is 'scientist' correct in C? I thought that 'a scientist' should be


You so careful! Typing error! :lol:
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Re: SC. hormone [#permalink] New post 02 Jun 2008, 03:48
Expert's post
sondenso wrote:
walker wrote:
Guys, why is 'scientist' correct in C? I thought that 'a scientist' should be


You so careful! Typing error! :lol:


After my 1st attempt I'm very angry :twisted: :wink:
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Re: SC. hormone [#permalink] New post 02 Jun 2008, 04:40
billyjeans wrote:
D.
I don't think it changed the meaning of the original sentence.


just read this problem again, yes it changed the meaning of the sentence. :oops:
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Re: SC. hormone [#permalink] New post 02 Jun 2008, 08:04
elimination:

painstakingly (adverb) is suppossed to modify the verb (removed) and not any nout/pronoun (such as -it) and hence has to be used with removed and nowhereelse. Only 'C' does so.
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Re: SC. hormone [#permalink] New post 02 Jun 2008, 17:59
walker wrote:
sondenso wrote:
walker wrote:
Guys, why is 'scientist' correct in C? I thought that 'a scientist' should be


You so careful! Typing error! :lol:


After my 1st attempt I'm very angry :twisted: :wink:


Keep calm! :lol:
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Re: SC. hormone [#permalink] New post 02 Jun 2008, 20:16
Expert's post
sondenso wrote:
Keep calm! :lol:

Ok :sleeping: :lol:
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Re: SC. hormone [#permalink] New post 02 Jun 2008, 20:26
Because of the typo, I had eliminated C - but if that is a typo - then C seems most apt - no wonder it is the OA.
Re: SC. hormone   [#permalink] 02 Jun 2008, 20:26
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