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A recently published article on human physiology claims that Enzyme K

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

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New post Updated on: 25 Sep 2018, 20:57
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65% (00:56) correct 35% (01:24) wrong based on 459 sessions

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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

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Originally posted by maddy2u on 11 Dec 2010, 01:17.
Last edited by Bunuel on 25 Sep 2018, 20:57, edited 3 times in total.
Renamed the topic and edited the question.
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Re: A recently published article on human physiology claims that Enzyme K  [#permalink]

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New post 11 Dec 2010, 02:00
Question stem is not provided. looking at the answer choices, I am assuming its a strengthening question.

Answer IMO: E as it rejects the possibility that the strenuous activities are contributing to high levels of the enzyme, thereby strengthening the articles conclusion that high levels of enzyme K enables weightlifters to perform their task. Cause-effect relationship.
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Re: A recently published article on human physiology claims that Enzyme K  [#permalink]

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New post 15 Dec 2010, 22:50
1
We need to eliminate any alternate explanations for the evidence given - "The Article cites evidence of above-average levels of enzyme K in Olympic weight lifters and sprinters"

What if strenuous activities cause above average levels of enzyme K and not the other way around? So we need to eliminate this possibility. In short we are strengthening the cause-effect relationship. So "E"

E. Strenuous activities do not cause the human body to produce unusually high levels of enzyme K

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

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New post 20 Dec 2010, 05:09
OA is E and the reason as gmatpapa and raptor explained are correct.

My Take:
Enzyme K has to cause improved performance in Strenuous activities and not Strenuous Activities causing high levels of Enzyme K . If the latter scenario is true, then the evidence weakens considerably as Enzyme K then plays no role in performance enhancement.

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

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New post 31 Mar 2011, 17:35
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 is the right answer,
focus on the claim you are trying to strengthen "A recently published article on human physiology claims that Enzyme K contributes to improved performance in strenuous activities"
A)in strengthen questions these type of answers are always wrong [the most important, or the most crucial...]
B)if K has no function, is not any help to the claim we are trying to support
C)some thing being required does not mean it contributes to improved performance
D)this is just a comparison of to group samples and does not support the main claim.
E)by showing that the relationship is not reverse b/w the to things [K and the strenuous activity] we are strengthening the claim that article present...

in strengthening questions it is important to take the answer choices as proven to be correct and the stimulus conclusion as suspect. so by using the answer choices you should see if which one being true could support the conclusion.
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Re: A recently published article on human physiology claims that Enzyme K  [#permalink]

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New post 22 Oct 2011, 06:45
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 Enzyme K  [#permalink]

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New post 25 Sep 2018, 14:32
Typical correlation =! caausation question.

read https://thegmatblogger.in/2015/10/14/cr ... en-type-3/

IMO E
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Re: A recently published article on human physiology claims that Enzyme K &nbs [#permalink] 25 Sep 2018, 14:32
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