There are 64 codons in genetic code dictionary, because
There are 44 meaningless and 20 codons for amino acids.
There are 64 types of tRNA's found in the cell.
Genetic code is triplet.
There are 64 amino acids to be coded.
A
There are 64 types of tRNA's found in the cell.
B
There are 44 meaningless and 20 codons for amino acids.
C
Genetic code is triplet.
D
There are 64 amino acids to be coded.
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Solution
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The genetic information is present in DNA inform of its nucleotide sequence. A combination of four nucleotides and 20 essential amino acids makes a genetic code for 64 different combinations (4 X 4 X 4). This makes statement C true.
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