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Re: Protein synthesis begins when [#permalink]
21 Apr 2011, 21:53
BACAAEBD, took a little over 10 mins to get this done. i did not use any paper/pen to take notes , but the timing stinks . should ideally take 4-6 minutes. but weird passages take one or two minutes to adjust to the material presented.
thats the bad part, to speed up the adjustment to the passage some new strategy is needed _________________
What is of supreme importance in war is to attack the enemy's strategy.
Protein synthesis begins when the gene encoding a protein is [#permalink]
22 Feb 2015, 02:38
This is my first ever post so please pardon my ignorance. But this passage pops up as sub-600 and 600-700/700 - which is it?
Anyway, I got BACAAEBD in 12.5 minutes. My D was a "light" guess because the passage is long (!).
Since there seem to be a few queries on question 5, and partly for my own record keeping, the key point is in the second paragraph: However, recent investigations have shown that the concentrations of most mRNA’s correlate best, not with their synthesis rate, but rather with the equally variable rates at which cells degrade the different mRNA’s in their cytoplasm. If a cell degrades both a rapidly and a slowly synthesized mRNA slowly, both mRNA’s will accumulate to high levels.
You're trying to find an answer that boosts protein levels. This line tells you to ignore the synthesis rate and focus only on the degradation rate. I think C is a trick answer because the last line in the passage refers to the most efficient regulation of protein production, not what's going to maximise protein production.