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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Definitions:

Population Change Curve

A graph that shows how the size of a population changes over time.

Volatile

Characterized by rapid and unpredictable changes or fluctuations, often used to describe chemical substances that easily vaporize at normal temperatures or financial markets prone to rapid changes.

R-Selected Species

Species that produce a large number of offspring with a low probability of survival into adulthood, often adapting to unstable environments.

Biotic Potential

The peak reproductive potential of a life form when environmental conditions are ideal.