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You have been studying a family of enzymes. You know that the original protein contains the amino acid sequence Gly, Trp, Asp, Ser, Lys, Arg. You start with several different samples, and you discover that each one has a different mutation in the amino acid sequence. You decide to assay each of them in the hope that at least one will have at least some activity. Which of the following five sequences would you expect to give you the best result? a. Gly, Tyr, Asp, Ser, Lys, Arg b. Asp, Trp, Asp, Ser, Lys, Arg c. Gly, Trp, Asp, Ser, Asp, Arg d. Gly, Trp, Asp, Thr, Lys, Arg e. Gly, Met, Asp, Thr, Lys, Arg

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Limosa

Answer:

The correct sequence from the five of the following is option D, which is Gly, Trp, Asp, Thr, Lys, Arg.

Explanation:

It is rightly assumed that the genetic code was absolute from the starting; it was the circumstances for the origin of life and its variability.

There are some rules of variation.

Rule 1: Same position in the four quadrants for essential hyperbolic codons.

Rule 2: Same or contiguous position in two quadrants for synonymous or related.

Rule 3: Same quadrant for equivalent codons.

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