AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

DNA MAKES RNA MAKES PROTEIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The anticodon is located on ____
A
DNA
B
mRNA
C
tRNA
Explanation: 

Detailed explanation-1: -An anticodon is a trinucleotide sequence located at one end of a transfer RNA (tRNA) molecule, which is complementary to a corresponding codon in a messenger RNA (mRNA) sequence.

Detailed explanation-2: -Anticodons are found on molecules of tRNA. Their function is to base pair with the codon on a strand of mRNA during translation. This action ensures that the correct amino acid will be added to the growing polypeptide chain. A tRNA molecule will enter the ribosome bound to an amino acid.

Detailed explanation-3: -Codons are present on an mRNA or DNA. They are sequences of three nucleotides that code for a specific amino acid. Anticodons are present on the tRNA (transfer RNA) molecules that help transfer or bring in the amino acids to the mRNA during the translation process.

Detailed explanation-4: -It is a trinucleotide sequence that is located at one end of tRNA (transfer RNA), which is complementary to the codon present in the mRNA sequence. Examples of anticodon: The codon CGA on mRNA sequence codes for amino acid cysteine, tRNA corresponding to this codon is UCU anticodon.

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