Zadanie 2a
Deduce which process is represented in this early stage of a bacteriophage lytic cycle.
- Materiał graficzny
Phage replication through host lysis
Describe the stages of the lambda phage lytic pathway and explain dependence on host resources.
Tę umiejętność sprawdza 8 zadań wzorowanych na arkuszach IB z lat 2024–2026.
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Zadanie 2b
State two processes supplied by a host cell that a virus requires during lytic reproduction.
Zadanie 3b
Identify the replication cycle illustrated and give a reason for your choice.
- Materiał graficzny
Zadanie 13
Which event distinguishes lysogenic infection from an immediately lytic infection by a temperate bacteriophage? A. The host supplies no energy to viral processes B. The phage genome becomes a prophage within the host chromosome C. The viral genome is never…
Zadanie 1b
Compare and contrast the lytic and lysogenic pathways of bacteriophage lambda.
Zadanie 12
A virus can make new particles only after entering a suitable living host cell. How is this dependence classified? A. Obligate intracellular parasitism B. Facultative saprotrophy C. Photoautotrophy D. Free-living predation
Zadanie 9c
Outline how a viral vector can change a target cell genetically.
- Materiał graficzny
Zadanie 10b
Bacteria are challenged with phages in intact or dispersed surface communities and as free cells. Error bars represent modelled ranges among replicate cultures. Suggest how properties of the surface communities could explain the survival pattern.
- Materiał graficzny