Consider Two Proteins a and B with Equal Transcription and Translation

question 71

Multiple Choice

Consider two proteins A and B with equal transcription and translation rates. The mean lifetime of A, however, is twice as long as that of B. Starting with no protein, the time it takes for a protein to reach 99% of its steady-state concentration is …

• A) the same for proteins A and B.
• B) two times longer for A compared to B.
• C) two times longer for B compared to A.
• D) less than twofold longer for A compared to B.
• E) less than twofold longer for B compared to A.

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