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  #1  
Old 02-22-2010
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DNA Transcription, Transportation, Translation

The sequence of transcription, transportation, and translation is accomplished respectively by?

A- mRNA, tRNA, and rRNA
B- tRNA, mRNA, and rRNA
C- rRNA, tRNA, and mRNA
D- mRNA, rRNA, and tRNA
E- tRNA, rRNA, and mRNA
F- rRNA, mRNA, and tRNA
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  #2  
Old 02-23-2010
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(a) must be the answer..
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Old 02-26-2010
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Default a is the ans

mrna for transcription
t rna = transfer rna = transportation
r rna ribosomal rna hence translation
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Old 02-26-2010
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Emm, the wording of this question is wrong. Call me pedantic, but the question asks accomplished by.

Consider answer a. Yes, transportation is accomplished by tRNA, and translation by rRNA, but transcription is NOT accomplished by mRNA in any way, shape, or form, but by RNA Polymerase, an enzyme (unless I have forgotten more biochemistry than I think). Rather, mRNA is the product of transcription.

I have a tendency to pay too much attention to the wording of the question, but may I ask where this question is from? I know that, by elimination, there can be no other correct answer in this case, but sometimes, it can get tricky if you think too much and the other choices aren't incorrect, but rather, less correct than the best answer. I often get frustrated in exams by this and waste time thinking about it too much and pick the wrong answer...

Hope the real exam questions are always perfectly worded
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Old 02-26-2010
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Thumbs Up The importance of wording

Quote:
Originally Posted by Xaquake View Post
I have a tendency to pay too much attention to the wording of the question, ....
I agree with you that the wording of this question does not seem to be perfect. But as you pointed out, there's no other plausible answer.
Paying attention to wording is extremely important in USMLE exams. Sometimes, it makes all the difference, like if we had RNA polymerase in the options above.
USMLE exam question usually do not have such a wording error as they are tested and verified by multiple persons.
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  #6  
Old 02-27-2010
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Quote:
Originally Posted by rasheed View Post
Sometimes, it makes all the difference, like if we had RNA polymerase in the options above.
In that case, I think some people would have got it wrong. Add to that the fact that in exams, people are in a hurry and tend not to read every word carefully...tricky!
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Originally Posted by rasheed View Post
USMLE exam question usually do not have such a wording error as they are tested and verified by multiple persons.
Really? Hmm, I don't trust them. They should call me in before to check and make sure that the exam I will give has no such errors
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