Use an mRNA codon table to determine the amino acid sequence encoded by a given RNA sequence.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z 2025 roku.
Biologia IBPaper 1A, maj 2025, TZ2wzorowane1 pktzamknięteśrednie (szac.)
The upper strand is the template for transcription. Read the sequence in the indicated triplet frame. Template: 3′–TAC GGA CTT ACG TTT CGC–5′ Other strand: 5′–ATG CCT GAA TGC AAA GCG–3′ Codon | Amino acid AUG | Met CCU | Pro GAA | Glu UGC | Cys UAC | Tyr GGA |…
Biologia IBPaper 1A, maj 2025, TZ1wzorowane1 pktzamknięteśrednie (szac.)
A substitution occurs within the template strand of a protein-coding gene. The reading frame starts at the first triplet shown. Sequence | Template DNA, read 3′ to 5′ Original | TAC CTT GGA CGA Mutant | TAC CAT GGA CGA mRNA codon | Amino acid AUG | Methionine…
Biologia IBPaper 1A, specimen 2025wzorowane1 pktzamknięteśrednie (szac.)
Each change below affects one template-DNA triplet read from 3′ to 5′. Which change leaves the encoded amino acid unchanged? mRNA codons | Amino acid UUU, UUC | Phenylalanine UUA, UUG | Leucine AAA, AAG | Lysine AAC, AAU | Asparagine Change | Template DNA, 3′…