How many amino acids will be coded for if the adenine nucleotide is deleted from the sequence CGTACGTTCTCG?
Understand the Problem
The question is asking how many amino acids will be coded for by a given DNA sequence after the adenine nucleotide is deleted. Normally, each three nucleotides code for one amino acid. Deleting a nucleotide will change the reading frame, affecting the number of amino acids coded.
Answer
Three amino acids will be coded if the adenine nucleotide is deleted.
The final answer is three.
Answer for screen readers
The final answer is three.
More Information
The original sequence CGTACGTTCTCG has 12 nucleotides. Each codon consists of 3 nucleotides. Thus, the original sequence codes for 4 amino acids. If the adenine nucleotide is deleted, the new sequence will be CGTCGTTCTCG, which has 11 nucleotides. Since only complete codons are translated, there are only 3 complete codons, thus only 3 amino acids will be coded.
Tips
Remember that a codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or stop signal during protein synthesis.
Sources
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