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# Before scientists learned how to make a synthetic growth

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SVP
Joined: 16 Jul 2009
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Schools: CBS
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23 Aug 2010, 12:12
Im still not catch whats wrong with D.
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24 Aug 2010, 10:06
I also did not pay attention and fell for D. But Walker pointed it out correctly and it makes all the sense now.

"Learning how to synthesize the growth hormone" is better than "Learning how to make a synthetic growth hormone"

Also, 'it' in option C correctly refers to 'growth hormone'

D incorrectly says that "scientists had to remove it [synthetic growth hormone] painstakingly"....which is not correct.

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
C. a scientist learned how to synthesize the growth hormone, it had to be painstakingly removed - CORRECT
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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24 Aug 2010, 10:51
Good question..
My first thought was D but after taking a second look at that I decided to opt for C.

we have to decide between make a synthetic growth hormone and synthesize the growth hormone
the scientists learned how to synthesize the growth hormone not to make hormone.

So its C
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24 Aug 2010, 11:41
missed "painstakingly removed" and picked C
Re: SC. hormone   [#permalink] 24 Aug 2010, 11:41

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