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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1
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2
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3
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64
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Detailed explanation-1: -This demonstrated that the coding unit is 3 nucleotides. The nucleotide triplet that encodes an amino acid is called a codon. Each group of three nucleotides encodes one amino acid.
Detailed explanation-2: -Each codon represents a single amino acid. Therefore, nine nucleotide bases are required to code for three amino acids. Note: A genetic code chart represents different combinations of the four nucleotide bases.
Detailed explanation-3: -A codon is a DNA or RNA sequence of three nucleotides (a trinucleotide) that forms a unit of genomic information encoding a particular amino acid or signaling the termination of protein synthesis (stop signals).
Detailed explanation-4: -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.
Detailed explanation-5: -Three codons are needed to specify three amino acids. Codons can be described as messengers that are located on the messenger RNA (mRNA). It is a sequence of three nucleotides that code for one specific amino acid; therefore, every three nucleotides represent one codon.