Functions AS

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karthikpandian19: Legendary Member; Posts: 1665; Joined: Thu Nov 03, 2011 7:04 pmFollowed by: 70 members; Thanked: 165 times

by karthikpandian19 » Thu Jan 05, 2012 12:47 am

Although the turtle has been toothless for more than 150 million years, in some contemporary turtle species the moderately sharp and jagged edges of their horny jaws function for teeth.
A. their horny jaws function for teeth
B. its horny jaws function for teeth
C. its horny jaws function as do teeth
D the horny jaws function as teeth do
E the horny jaws function as teeth

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Source: Beat The GMAT — Sentence Correction | Thu Jan 05, 2012 12:47 am

sam2304: Legendary Member; Posts: 1239; Joined: Tue Apr 26, 2011 6:25 amFollowed by: 26 members; Thanked: 233 times; GMAT Score:680

by sam2304 » Thu Jan 05, 2012 2:17 am

A B C - pronoun reference is not proper
D - X function as Y is the right idiom

IMO E.

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happymanocha: Senior | Next Rank: 100 Posts; Posts: 73; Joined: Sat Nov 27, 2010 1:40 pm; Thanked: 1 times

by happymanocha » Thu Jan 05, 2012 6:37 am

A - function for vs function as (E) , I will prefer function as.
B - Plural pronoun -> Its is incorrect.
C - Plural pronoun -> Its is incorrect.
D - no need of 'do'.
E - Correct.

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karthikpandian19: Legendary Member; Posts: 1665; Joined: Thu Nov 03, 2011 7:04 pmFollowed by: 70 members; Thanked: 165 times

by karthikpandian19 » Thu Jan 05, 2012 8:19 pm

OA is E

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mankey: Legendary Member; Posts: 627; Joined: Thu Jun 23, 2011 9:12 amFollowed by: 1 member; Thanked: 4 times

by mankey » Mon Jan 09, 2012 8:16 am

I also chose E.

But would like to know more on why C and D are "incorrect"?

Are C and D "incorrect" or not preferred here?

Thanks.

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sam2304: Legendary Member; Posts: 1239; Joined: Tue Apr 26, 2011 6:25 amFollowed by: 26 members; Thanked: 233 times; GMAT Score:680

by sam2304 » Mon Jan 09, 2012 6:22 pm

C - Contemporary turtle species and its do not agree.
D - X function as Y do - wrong, X function as Y is the right idiom.

Getting defeated is just a temporary notion, giving it up is what makes it permanent.
https://gmatandbeyond.blogspot.in/

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karthikgmat: Master | Next Rank: 500 Posts; Posts: 172; Joined: Wed Jul 09, 2008 3:35 amFollowed by: 1 member; Thanked: 3 times; GMAT Score:610

by karthikgmat » Mon Jan 09, 2012 6:52 pm

C and D are wrong because Jaws function as teeth . If you add "do" , Jaws function as teeth do , what function do jaws or what function do teeth do? Isn't it weird?

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