Base pairing during RNA synthesis

Biologia IBPaper 2, maj 2026, TZ1wzorowane3 pktotwarteśrednie (szac.)

Zadanie 2c

Outline how a cell transcribes a protein-coding DNA sequence into an mRNA molecule.

Biologia IBPaper 1A, maj 2025, TZ3wzorowane1 pktzamknięteśrednie (szac.)

Zadanie 10

A DNA template is read 3′ to 5′. The reading frame starts at the first base shown. The first G in the fourth triplet is removed. 3′–TAC GGA AAT GCT CCG TTA–5′ What is the fourth mRNA codon after this deletion? A. AGC B. GAG C. CTC D. GGA

Biologia IBPaper 3, maj 2024, TZ1wzorowane3 pktotwarteśrednie (szac.)

Zadanie 9a

Outline evidence that the gene transfer worked.

• Materiał graficzny

Biologia IBPaper 1, maj 2024, TZ1wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 28

A short segment of a DNA template strand is written as 5′–AGTC–3′. Which RNA segment is complementary and antiparallel to it? A. 3′–AGTC–5′ B. 3′–UCAG–5′ C. 5′–UCAG–3′ D. 3′–TCAG–5′