THE MOLECULAR BASIS OF INHERITANCE
DNA MAKES RNA MAKES PROTEIN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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3
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6
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9
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27
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Detailed explanation-1: -Genetic codes are represented in the form of triplets. Triplets are giving the perfect clue that there are 3 nitrogenous bases in each codon which codes for an amino acid. For example UCU codes for serine.
Detailed explanation-2: -Each codon represents a single amino acid. Therefore, nine nucleotide bases are required to code for three amino acids.
Detailed explanation-3: -Codons are made up of any triplet combination of the four nitrogenous bases adenine (A), guanine (G), cytosine (C), or uracil (U). Of the 64 possible codon sequences, 61 specify the 20 amino acids that make up proteins and three are stop signals.
Detailed explanation-4: -Answer and Explanation: The number of nitrogenous bases needed to code for a specific amino acid is three.
Detailed explanation-5: -The three-letter nature of codons means that the four nucleotides found in mRNA-A, U, G, and C-can produce a total of 64 different combinations. Of these 64 codons, 61 represent amino acids, and the remaining three represent stop signals, which trigger the end of protein synthesis.