The Accompanying Drawing Represents Simultaneous Transcription and Translation in E

question 24

Essay

The accompanying drawing represents simultaneous transcription and translation in E. coli. The direction of the RNA polymerase is given by the arrow. (a) Is the letter A nearer the 5′ or the 3′ end of the molecule?
(b) Is the letter B nearer the 5′ or the 3′' end of the molecule?
(c) Is the letter C nearer the 5′ or the 3′' end of the tRNA molecule?
(d) What is the "S" value for the large rRNA that is closest to the letter D?
(e) Which terminus (N or
C) of the growing polypeptide chain is nearer to the letter E?

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