Zadanie 3e
(i) Identify the bond type indicated by Z. (ii) Explain how two enzymes form this type of bond while DNA is copied.
- Materiał graficzny
Coordinating bacterial replication enzymes
Explain the complementary roles of primase, DNA polymerases I and III, and ligase in prokaryotic replication.
Tę umiejętność sprawdza 8 zadań wzorowanych na arkuszach IB z lat 2022–2025.
Zadania sprawdzające tę umiejętność: 8 Otwórz w wyszukiwarce z filtrami
Zadanie 26
Which replication task is performed by bacterial DNA polymerase I? A. Joining adjacent fragments without adding nucleotides B. Synthesizing the original RNA primer C. Replacing RNA primer segments with DNA nucleotides D. Unwinding the parental double helix
Zadanie 27
Which replication task is performed by bacterial DNA polymerase I? A. Replacing RNA primer segments with DNA nucleotides B. Unwinding the parental double helix C. Joining adjacent fragments without adding nucleotides D. Synthesizing the original RNA primer
Zadanie 26
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…
Zadanie 7
(a) Outline the chromosome changes during prophase I of meiosis. (b) Describe processes performed by enzymes that bind to DNA. (c) Explain how environmental conditions can affect DNA and its expression in living organisms.
Zadanie 21
During bacterial DNA replication, which enzyme replaces RNA primer segments with DNA? A. DNA ligase B. DNA gyrase C. DNA polymerase I D. DNA primase
Zadanie 21
During bacterial DNA replication, which enzyme replaces RNA primer segments with DNA? A. DNA ligase B. DNA gyrase C. DNA polymerase I D. DNA primase
Zadanie 7
Enzymes, replication and evolutionary processes affect biological systems. (a) Outline, using graphs, effects of factors that influence enzyme activity. (b) Describe the functions of three named enzymes in DNA replication. (c) Explain speciation, including…