The human growth hormone, made by the pituitary gland, is : GMAT Sentence Correction (SC)
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# The human growth hormone, made by the pituitary gland, is

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VP
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03 May 2005, 12:10
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766. The human growth hormone, made by the pituitary gland, is secreted during sleep in higher concentrations than when awake.(A) during sleep in higher concentrations than when awake
(B) when sleeping in higher concentrations than waking hours
(C) in higher concentrations during sleeping than waking
(D) in higher concentrations during sleep than during waking hours
(E) in higher concentrations when asleep than when awake
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03 May 2005, 12:59
D
A IS worng because wrong comaprison
B. Changes meaning
C. sleeping than waking...Suggests a contous tense...
E. wordy..
VP
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03 May 2005, 17:47
Choice is between C ad D. i think during is require before waking in C.

(C) in higher concentrations during sleeping than waking
(D) in higher concentrations during sleep than during waking hours
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03 May 2005, 19:20
What abt "E" ?
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04 May 2005, 00:54
banerjeea_98 wrote:
766. The human growth hormone, made by the pituitary gland, is secreted during sleep in higher concentrations than when awake.(A) during sleep in higher concentrations than when awake
(B) when sleeping in higher concentrations than waking hours
(C) in higher concentrations during sleeping than waking
(D) in higher concentrations during sleep than during waking hours
(E) in higher concentrations when asleep than when awake

I think all using 'when' is wrong, because what is the subject of the adverb clause.

The original subject is hormone; clearly, hormone cannot sleep.

Hence, we use 'during' to get rid of the error.

during sleep than during waking hours is more parallel.

go with D,

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04 May 2005, 05:30
(D) does not seem to fit in well more beacuse of 'waking hours' ..... I'm still figuring out what 'waking hours' mean.

(E) fits in rightly. But even here 'when' refers to the 'hormone'. But still, I think (E) is the right answer.

By the way, what the OA??
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04 May 2005, 05:42
D)..."secreted" demonstrates an ongoing process. so its not that the hormone is secreted at one point as stated by "when" but during a period of time as stated by "during".
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04 May 2005, 06:21
OA is "D"....chunjuwu has correct expl.....thx
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04 May 2005, 06:40
chunjuwa gave the best explanation. gr8 job chunjuwa.
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04 May 2005, 19:52
yes,it is D, awake and asleep are adj,thank chunjuwu
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Re: The human growth hormone, made by the pituitary gland, is [#permalink]

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12 May 2014, 09:22
What's up with E? Does it change the intended meaning?

Cheers!
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Re: The human growth hormone, made by the pituitary gland, is [#permalink]

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12 May 2014, 19:23
Yes.
The HgH is secreted when (it is) asleep than when (it is) awake.
"Asleep" and "awake" incorrectly apply to the HgH.
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12 May 2014, 20:13
MA wrote:
i think during is require before waking in C.

That's true, but probably the biggest problem with C) is that "waking" implies only the moment when you awake. Assuming that you get up right away, you only "wake up" once a day. OTOH, "waking hours" means the entire time that you're awake. Also, "waking" and "sleeping" are gerunds that are kind of "dangling."
Re: SC: Hormone   [#permalink] 12 May 2014, 20:13
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