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Among the 64 codons in the genetic code, 3 are non-functional, leaving 61 codons responsible for coding the 20 standard amino acids in proteins.

1. True
2. False
3. Partially true
4. None of these

Correct answer: True

Solution

The statement is true because out of the 64 codons in the genetic code, 3 are stop codons (UAA, UAG, UGA) that do not code for any amino acid, leaving 61 codons to code for the 20 amino acids.

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