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bethavi4548
Joined: 16 Apr 2007
Posts: 1
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 Posted: Mon Jun 18, 2007 7:33 am Post subject: Question 18 |
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| Why is the answer B and not C? |
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mcat_premed3832
Joined: 19 Oct 2006
Posts: 413
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| Posted: Tue Jun 19, 2007 11:49 am Post subject: |
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This question is really asking for the best answer. When considering a study to control fly pests of animals, ideally, one would try a chemical that prevents the pest from eating (or kill it) and apply it directly to the animal that you want to protect (= the host). So even before looking at the possible answers, you should sort of have the above in mind as a reasonable objective.
Answer choice B takes something that is know to work on pests and it is attempting to apply it directly to the animal that needs to be protected, the host. On the other hand, answer choice C is looking for host attractants/repellents not those of the pests.
http://www.answers.com/topic/host?cat=biz-fin |
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newno558362
Joined: 19 May 2008
Posts: 19
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| Posted: Tue Jun 03, 2008 11:58 am Post subject: |
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Ah I get it. I was also torn between option B and C.
To the other poster, who I assume has long since written his mcat haha, answer choice C mentions HOST attractants and repellents.
If answer C were to be correct, it would need to say PEST attractants and repellents.
I got tricked too!  |
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admin
Site Admin
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| Posted: Fri Jul 31, 2009 10:32 am Post subject: |
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