If the genetic code were a tetraplet (four-letter code),how many possible codons would exist for $20$ types of amino acids?
- A$261$
- B$64$
- C$256$
- D$43$
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Similar Questions
Choose the correct pair.
Column-$I$ Column-$II$ $A$. $AUG$ $1$. Phenylalanine $B$. $UAA$ $2$. Methionine $C$. $UUU$ $3$. Tryptophan $D$. $UGG$ $4$. Stop
| Column-$I$ | Column-$II$ |
|---|---|
| $A$. $AUG$ | $1$. Phenylalanine |
| $B$. $UAA$ | $2$. Methionine |
| $C$. $UUU$ | $3$. Tryptophan |
| $D$. $UGG$ | $4$. Stop |
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View SolutionUnder which of the following conditions will there be no change in the reading frame of the following $mRNA$: $5'-AACAGCGGUGCUAUU-3'$?
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View SolutionThe genetic code was deciphered by ..........
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View SolutionDr. Khorana prepared an artificial mRNA containing $CUCUCUCUCU$ nucleotides; its translation resulted in the formation of a polypeptide chain bearing alternately arranged . . . . . . and . . . . . . amino acids,respectively.
How many genetic codes specify the amino acid proline?
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