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A recently published article on human physiology claims that

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Status: Target MBA
Joined: 20 Jul 2010
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Re: A recently published article on human physiology claims that [#permalink]

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New post 22 Oct 2011, 07:45
maddy2u wrote:
A recently published article on human physiology claims that Enzyme K contributes to improved performance in strenuous activities such as weightlifting and sprinting. The Article cites evidence of above-average levels of enzyme K in Olympic weight lifters and sprinters.

Which of the following, if true,would most strengthen the article's conclusion?

a ) Enzyme K levels are the most important factor affecting the performance of strenuous activities.
b ) Enzyme K has no other function in the human body
c ) Enzyme K is required for the performance of strenuous activities.
d ) Enzyme K helps weight lifters more than it helps sprinters.
e) Strenuous activities do not cause the human body to produce unusually high levels of enzyme K

Its a tough one ! Please Post in your answers with the reasoning :wink:

Note : Added the Question Stem


It's a tricky one because there more than one answer options that strengthen the argument.
(A) Enzyme K affect performance - Positively or negatively?
(B) If Enzyme K has no OTHER function in the body, what really is it's function?
(C) Strengthens moderately.
(D) Irrelevant. It compare effect of Enzyme K on weight lifters with effect on sprinters.
(E) Most strengthens - It Enzyme K were produced then it would not useful for performance. It should be already present in body.
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Re: A recently published article on human physiology claims that [#permalink]

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New post 12 Jan 2012, 23:15
E it is!

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Re: A recently published article on human physiology claims that [#permalink]

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New post 10 Sep 2012, 09:26
i can't get myself to understand how E is the answer because i really don't see it strengthening the conclusion!!

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Re: A recently published article on human physiology claims that [#permalink]

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New post 07 Oct 2013, 05:59
This seems more like an assumption question!!!

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Re: A recently published article on human physiology claims that [#permalink]

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New post 06 Apr 2015, 14:37
Hi Guys, I *really* need your help understanding this one.
I read each of your replies, but somehow I couldn't accept them (if there are more examples, please link me).
I chose C. I feel that you can use the negation technique for this strengthen question as well.
If we negate C, ie, Enzyme K is NOT required for the performance of strenuous activities, then the claimed argument that it aids in performance of strenuous activities completely falls apart. IMO C is a FAR better choice than E. In E, even if strenuous activities DO cause enzyme K production, it does not prevent enzyme K from "aiding" in strenuous activities.
Think of enzyme K as adrenaline....exercising produces adrenaline, and adrenaline improves exercising thereafter.

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Re: A recently published article on human physiology claims that [#permalink]

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New post 13 Feb 2017, 20:34
What is wrong with A?
Please explain

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Re: A recently published article on human physiology claims that [#permalink]

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New post 09 Aug 2017, 01:00
maddy2u wrote:
A recently published article on human physiology claims that Enzyme K contributes to improved performance in strenuous activities such as weightlifting and sprinting. The Article cites evidence of above-average levels of enzyme K in Olympic weight lifters and sprinters.

Which of the following, if true,would most strengthen the article's conclusion?

a ) Enzyme K levels are the most important factor affecting the performance of strenuous activities.
b ) Enzyme K has no other function in the human body
c ) Enzyme K is required for the performance of strenuous activities.
d ) Enzyme K helps weight lifters more than it helps sprinters.
e) Strenuous activities do not cause the human body to produce unusually high levels of enzyme K

Its a tough one ! Please Post in your answers with the reasoning :wink:

Note : Added the Question Stem


E
Cause - effect
To strengthen:
1. No cause, no effect
2. Reverse is not true

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A recently published article on human physiology claims that [#permalink]

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New post 09 Aug 2017, 01:09
rohitsatya wrote:
What is wrong with A?
Please explain


Conclusion: Enzyme K contributes to improved performance in strenuous activities
A: Enzyme K levels are the most important factor affecting the performance of strenuous activities
"Levels of enzyme K most affect performance" (may be good effect/bad effect) does not make "enzyme K contributes to improve performance" likely to be true.
This is my reasoning. Hope this help

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Re: A recently published article on human physiology claims that [#permalink]

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New post 09 Aug 2017, 03:33
The problem deals with causation and Correlation.If there is a statement A causes B. Then The likely strengthener will be B does not cause A. In this example
Sufficient amount of Enzyme K causes weightlifters and sprinters to perform well.In this case the strengthening statement will be
the reverse causation does not hold true.Hence Statement E.

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Re: A recently published article on human physiology claims that   [#permalink] 09 Aug 2017, 03:33

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