Zadanie 2c
Outline how a cell transcribes a protein-coding DNA sequence into an mRNA molecule.
Strand direction in transcription and translation
Interpret the 5-prime to 3-prime directions of RNA synthesis and ribosomal reading of mRNA.
Tę umiejętność sprawdza 7 zadań wzorowanych na arkuszach IB z lat 2022–2026.
Zadania sprawdzające tę umiejętność: 7 Otwórz w wyszukiwarce z filtrami
Zadanie 10
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 |…
Zadanie 7
(a) Outline transcription. (b) Describe how nondisjunction can produce Down syndrome. (c) Explain the roles of named hormones in the development and functioning of male and female reproductive systems.
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′
Zadanie 3
The schematic shows ribosomes associated with one mRNA molecule. Identify which marked position, R or S, is closer to the start codon, giving a reason.
- Materiał graficzny
Zadanie 3
The schematic shows ribosomes associated with one mRNA molecule. Identify which marked position, R or S, is closer to the start codon, giving a reason.
- Materiał graficzny
Zadanie 28
A template-DNA segment is read as 3′–TTC GGA–5′. Which pair gives the corresponding tRNA anticodons, each written 3′ to 5′? A. TTC and GGA B. AAG and CCU C. UUC and GGA D. CUU and AGG