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The codon AUG serves as a start signal, while UCG specifies serine, UUU represents phenylalanine, and UGU codes for cysteine.

1. a) Correct
2. b) Incorrect
3. c) Partially correct
4. d) None of these

Correct answer: a) Correct

Solution

AUG is universally recognized as the initiation codon, and the codons UCG, UUU, and UGU correctly code for serine, phenylalanine, and cysteine, respectively, as per the genetic code.

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