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# In cold-water habitats, certain invertebrates and fish

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In cold-water habitats, certain invertebrates and fish [#permalink]

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21 Mar 2009, 06:55
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In cold-water habitats, certain invertebrates and fish convert starches into complex carbohydrates called glycerols, in effect manufacturing its own antifreeze.
(A) in effect manufacturing its own antifreeze
(B) effectively manufacturing antifreeze of its own
(C) in effect manufacturing their own antifreeze
(D) so that they manufacture their own antifreeze
(E) thus the manufacture of its own antifreeze
If you have any questions
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21 Mar 2009, 08:34
malar wrote:
In cold-water habitats, certain invertebrates and fish convert starches into complex carbohydrates called glycerols, in effect manufacturing its own antifreeze.
(A) in effect manufacturing its own antifreeze
(B) effectively manufacturing antifreeze of its own
(C) in effect manufacturing their own antifreeze
(D) so that they manufacture their own antifreeze
(E) thus the manufacture of its own antifreeze

A,B, E are out because of incorrect pronoun: its --> it is suppose to be "their"

and I am stuck between C and D..

I think C sounds better
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26 Mar 2009, 13:49
I also confused btw C and D, but chose D. OA is C. What is wrong with D.
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26 Mar 2009, 13:53
so that , they ....their in D is quite wordy .
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26 Mar 2009, 21:27
C is the best,
In D, the use of "so that" implies that they do this purposely to manufacture antifreeze. This distorts the meaning.
malar wrote:
I also confused btw C and D, but chose D. OA is C. What is wrong with D.
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21 Apr 2009, 00:08
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IMO C

In cold-water habitats, certain invertebrates and fish convert starches into complex carbohydrates called glycerols, in effect manufacturing its own antifreeze.
(A) in effect manufacturing its own antifreeze --> its here is not suitable because the mentioned objects are vertebrates and fish, so can't be it
(B) effectively manufacturing antifreeze of its own --> the same error
(C) in effect manufacturing their own antifreeze --> in effect correctly plays the role of an adv, and them are better than it --> the best
(D) so that they manufacture their own antifreeze --> they here play the role of a subject of the new clause but it is not clearly modified for which Noun: carbonhydrates, glycerols, starches or vertebrates and fish ???. Finally, using clause here is more complex than using participle phrase as (A), (B) and (C)
(E) thus the manufacture of its own antifreeze --> wordy and wrong meaning, etc
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24 Apr 2009, 00:07
C for sure.

Since invertebrates is plural, A and B are out.

"So that they" in D is always wrong usage and "thus the" is wring in E

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04 May 2009, 11:26
A, B and E have subject verb agreement error.
D distorts the meaning.
IMO C
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25 Apr 2010, 04:11
i dont see why C is better than D?

so that sounds fine for me...
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25 Apr 2010, 04:16
I am also doubtful about C...
D looks better.
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25 Apr 2010, 04:17
Any idea what is the source of this problem ?
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13 Jun 2010, 01:12
when you say 'so that', you mean to say they are doing the conversion on purpose as an adaptive tool maybe. but in reality its just an effect of the cold climate. hence C is correct
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13 Jun 2010, 01:56
I don't agree with this explanation. "in effect" and "so that" mean the same. There is no preference. Unless one is more idiomatic than the other.

If someone can provide a better explanation that will be great.

Why the modifier "in effect manufacturing its own antifreeze" is placed close to glycerols when it should be close to invertebrates? Dont you think we need to repeat the pronoun "they" for invertebrates?? so that we are close to the modifier. I could have marked D with that reasoning. But I wait for a convincing explanation.

Thanks

Minheequang wrote:
IMO C

In cold-water habitats, certain invertebrates and fish convert starches into complex carbohydrates called glycerols, in effect manufacturing its own antifreeze.
(A) in effect manufacturing its own antifreeze --> its here is not suitable because the mentioned objects are vertebrates and fish, so can't be it
(B) effectively manufacturing antifreeze of its own --> the same error
(C) in effect manufacturing their own antifreeze --> in effect correctly plays the role of an adv, and them are better than it --> the best
(D) so that they manufacture their own antifreeze --> they here play the role of a subject of the new clause but it is not clearly modified for which Noun: carbonhydrates, glycerols, starches or vertebrates and fish ???. Finally, using clause here is more complex than using participle phrase as (A), (B) and (C)
(E) thus the manufacture of its own antifreeze --> wordy and wrong meaning, etc

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13 Jun 2010, 06:41
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nope they dont mean the same.

the earth rotates, in effect, causing night and day
the earth rotates, so that it can cause night and day

how do they mean the same? please try to understand the first action is not done to cause the second action. the second action just happens. the earth doesnt rotate to cause night and day
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13 Jun 2010, 09:16
The examples you presented are oversimplified. We have a modifier issue besides in effect Vs so that.

could gycerols manufacture antifreeze?
glycerols, in effect manufacturing their own antifreeze.

D is better. (D) so that they manufacture their own antifreeze ---> they means invertebrates .

roshanaslam wrote:
nope they dont mean the same.

the earth rotates, in effect, causing night and day
the earth rotates, so that it can cause night and day

how do they mean the same? please try to understand the first action is not done to cause the second action. the second action just happens. the earth doesnt rotate to cause night and day

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13 Jun 2010, 09:28
they refers 'certain invertebrates and fish'. compund subject. 1 is singular and other is plural, u cant refer either with 'it' or 'they'. we are refering both of them together. yes its over simplified to make u follow what i am saying. the adaption that they did is not under their control. it has just happened over a period of time. and its effect is 'antifreeze'. maybe they adapted for other reasons. glycerol is a good energy source that gives 37Kcal of energy. anyway its upto u
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13 Jun 2010, 09:37
fish is plural.
invertebrates in plural.

Thanks for the explanation.
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13 Jun 2010, 09:54
true fish is plural. but in reality the question isnt good. when we talk about different breeds of fish, we refer to them has fishes(certain invertebrates and fish). when i refer to a scool of salmon, i neee to say fish. but when i say school of salmon and macrel i have to say fishes. when we say 'certain' in this question, we mean to certain breeds of fishes. anyway i maybe wrong with this regard. thanls for pointing out the fish thingie
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13 Jun 2010, 09:57
NP roshanaslam. That's beside the point. We are on different pages - so leave it.
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12 Jul 2010, 23:12
roshanaslam wrote:
nope they dont mean the same.

the earth rotates, in effect, causing night and day
the earth rotates, so that it can cause night and day

how do they mean the same? please try to understand the first action is not done to cause the second action. the second action just happens. the earth doesnt rotate to cause night and day

wait...
u say the earth does not rotate to cause night and day?
but if the earth does stop rotate then it won't be night and day.
then how can u say the night and day does not cause by earth rotate??

thx
Re: SC-cold-water habitats   [#permalink] 12 Jul 2010, 23:12

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