Compare leading and lagging strand synthesis, including repeated priming and formation of Okazaki fragments.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2022–2026.
Biologia IBPaper 2, maj 2026, TZ2wzorowane16 pktotwartetrudne (szac.)
Directional processes depend on structures that constrain movement. (a) Outline how structures in the human circulatory system limit backward blood flow. (b) Explain why transmission across a chemical synapse proceeds from the presynaptic to the postsynaptic…
Biologia IBPaper 1, listopad 2024wzorowane1 pktzamkniętełatwe (szac.)
At one replication fork, which statement distinguishes formation of the two new DNA strands? A. The leading strand is synthesized without any template B. Only the lagging strand contains phosphodiester bonds C. The leading strand is extended only in the 3′ to…
Biologia IBPaper 1, maj 2022, TZ1wzorowane1 pktzamknięteśrednie (szac.)
Which row identifies X, the short newly synthesized segment Y and the end Z? A. X: 3′; Y: continuous leading strand; Z: 5′ B. X: 5′; Y: Okazaki fragment; Z: 3′ C. X: 5′; Y: RNA chromosome; Z: 5′ D. X: 3′; Y: Okazaki fragment; Z: 5′